Finding the Fourth Proportional to 472,010.12, 707,752.68 and 156,294.80
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Solution
The fourth proportional to 472,010.12, 707,752.68 and 156,294.80 is: 234,355.28
Step by Step Solution
- Step 1: Write the proportion equation
472,010.12 : 707,752.68 = 156,294.80 : x - Step 2: Convert to fraction form
472,010.12/707,752.68 = 156,294.80/x - Step 3: Cross multiply
472,010.12x = 707,752.68 × 156,294.80 - Step 4: Simplify right side
472,010.12x = 110,618,063,570.06 - Step 5: Solve for x
x = 110,618,063,570.06/472,010.12 - Step 6: Final answer
x = 234,355.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.