Finding the Fourth Proportional to 426,446.87, 588,481.27 and 235,456.16
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Solution
The fourth proportional to 426,446.87, 588,481.27 and 235,456.16 is: 324,920.99
Step by Step Solution
- Step 1: Write the proportion equation
426,446.87 : 588,481.27 = 235,456.16 : x - Step 2: Convert to fraction form
426,446.87/588,481.27 = 235,456.16/x - Step 3: Cross multiply
426,446.87x = 588,481.27 × 235,456.16 - Step 4: Simplify right side
426,446.87x = 138,561,540,948.69 - Step 5: Solve for x
x = 138,561,540,948.69/426,446.87 - Step 6: Final answer
x = 324,920.99
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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.