Finding the Fourth Proportional to 497,484.48, 686,552.95 and 279,761.68
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Solution
The fourth proportional to 497,484.48, 686,552.95 and 279,761.68 is: 386,084.82
Step by Step Solution
- Step 1: Write the proportion equation
497,484.48 : 686,552.95 = 279,761.68 : x - Step 2: Convert to fraction form
497,484.48/686,552.95 = 279,761.68/x - Step 3: Cross multiply
497,484.48x = 686,552.95 × 279,761.68 - Step 4: Simplify right side
497,484.48x = 192,071,206,335.19 - Step 5: Solve for x
x = 192,071,206,335.19/497,484.48 - Step 6: Final answer
x = 386,084.82
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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.