Finding the Fourth Proportional to 132,590.28, 198,898.38 and 39,122.76
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Solution
The fourth proportional to 132,590.28, 198,898.38 and 39,122.76 is: 58,687.96
Step by Step Solution
- Step 1: Write the proportion equation
132,590.28 : 198,898.38 = 39,122.76 : x - Step 2: Convert to fraction form
132,590.28/198,898.38 = 39,122.76/x - Step 3: Cross multiply
132,590.28x = 198,898.38 × 39,122.76 - Step 4: Simplify right side
132,590.28x = 7,781,453,585.13 - Step 5: Solve for x
x = 7,781,453,585.13/132,590.28 - Step 6: Final answer
x = 58,687.96
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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.