| Benjamin Greenleaf - 1857 - 452 pages
...Ans. 82m. 2fur. 20rd. PROPORTION. 332. A PROPORTION is an equality of ratios. Any four numbers are **in proportion, when the ratio of the first to the second is the same as** that of the third to the fourth. Thus, the ratios 9 : 3 and 6 : 2, being equal to each other, when... | |
| Charles Davies - 1857 - 408 pages
...a and b undergo changes of value, then a is said to be proportional to 6. 183i four quantities are **in proportion, when the ratio of the first to the second, is** equal to the ratio of the third to the fourth. Thus, if b_ d_ ~^~~' the quantities a, b, c and d, are... | |
| Benjamin Greenleaf - 1858 - 458 pages
...Ans. 82m. 2fur. 20rd 7mA PROPORTION. 332, A PROPORTION is an equality of ratios. Any four numbers are **in proportion, when the ratio of the first to the second is the same as** that of the third to the fourth. Thus, the ratios 9 : 3 and 6 : 2, being equal to each other, when... | |
| Benjamin Greenleaf - 1858 - 456 pages
...Ans. 82m. 2fur. 20rd. PROPORTION. 332. A PROPORTION is an equality of ratios. Any four numbers are **in proportion, when the ratio of the first to the second is the same as** that of the third to the fourth. Thus, the ratios 9 : 3 and 6 : 2, being equal to each other, when... | |
| John Fair Stoddard, William Downs Henkle - 1859 - 538 pages
...couplet is called the antecedent, and the second term the consequent . (379.) Three quantities are **in proportion when the ratio of the first to the second is** equal to the ratio of the second to the third. (38O.) The second quantity is called a mean proportional... | |
| James B. Dodd - 1859 - 368 pages
...price of flour ? PROPORTION. (141.) PROPORTION consists in an equality of ratios. Four quantities are **in proportion when the ratio of the first to the second is** equal to the ratio of the third to the fourth. Thus the numbers 6, 3, 8, 4 are in proportion, since... | |
| James B. Dodd - 1859 - 368 pages
...their respective consequents — but is usually confined to four terms. (137.) Four quantities are **in Proportion when the ratio of the first to the second is** equal to the ratio of the third to the fourth ; that is, when the first divided by the second is equal... | |
| Charles Hutton - 1860 - 1020 pages
...(4), С (R), where \ = f = J, both the same ratio. 79. Four quantities are said to be proportional, **when the ratio of the first to the second, is the same as the ratio of the third** t«> the fourth. As of the four A (4), В (2), С (10), D (5), where } = у = 2, both the same ratio.... | |
| Charles Davies - 1860 - 412 pages
...a and b undergo changes of value, then a is said to be proportional to b. 183t Four quantities are **in proportion, when the ratio of the first to the second, is** equal to the ratio of the third to the fourth. Thus, if b_ d_ "7 ~ T' the quantities a, b, c and d,... | |
| Benjamin Greenleaf - 1861 - 638 pages
...B and C : D is AC AXC BX D'°r BXD' 125. A PROPORTION is an equality of ratios. Four magnitudes are **in proportion, when the ratio of the first to the second is the same as** that of the third to the fourth. Thus, the ratios" of A : B and X : Y, being equal to AY 126. Proportion... | |
| |