Finding the Fourth Proportional to 581,490.29, 802,338.99 and 339,726.17
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Solution
The fourth proportional to 581,490.29, 802,338.99 and 339,726.17 is: 468,753.41
Step by Step Solution
- Step 1: Write the proportion equation
581,490.29 : 802,338.99 = 339,726.17 : x - Step 2: Convert to fraction form
581,490.29/802,338.99 = 339,726.17/x - Step 3: Cross multiply
581,490.29x = 802,338.99 × 339,726.17 - Step 4: Simplify right side
581,490.29x = 272,575,554,757.20 - Step 5: Solve for x
x = 272,575,554,757.20/581,490.29 - Step 6: Final answer
x = 468,753.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.