Finding the Fourth Proportional to 564,690.23, 847,046.17 and 138,229.68
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Solution
The fourth proportional to 564,690.23, 847,046.17 and 138,229.68 is: 207,347.17
Step by Step Solution
- Step 1: Write the proportion equation
564,690.23 : 847,046.17 = 138,229.68 : x - Step 2: Convert to fraction form
564,690.23/847,046.17 = 138,229.68/x - Step 3: Cross multiply
564,690.23x = 847,046.17 × 138,229.68 - Step 4: Simplify right side
564,690.23x = 117,086,920,678.75 - Step 5: Solve for x
x = 117,086,920,678.75/564,690.23 - Step 6: Final answer
x = 207,347.17
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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.