Finding the Fourth Proportional to 745,154.91, 1,117,531.69 and 205,282.62
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Solution
The fourth proportional to 745,154.91, 1,117,531.69 and 205,282.62 is: 307,868.65
Step by Step Solution
- Step 1: Write the proportion equation
745,154.91 : 1,117,531.69 = 205,282.62 : x - Step 2: Convert to fraction form
745,154.91/1,117,531.69 = 205,282.62/x - Step 3: Cross multiply
745,154.91x = 1,117,531.69 × 205,282.62 - Step 4: Simplify right side
745,154.91x = 229,409,832,743.02 - Step 5: Solve for x
x = 229,409,832,743.02/745,154.91 - Step 6: Final answer
x = 307,868.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.