Finding the Fourth Proportional to 125,251.18, 187,875.17 and 30,481.53
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Solution
The fourth proportional to 125,251.18, 187,875.17 and 30,481.53 is: 45,721.90
Step by Step Solution
- Step 1: Write the proportion equation
125,251.18 : 187,875.17 = 30,481.53 : x - Step 2: Convert to fraction form
125,251.18/187,875.17 = 30,481.53/x - Step 3: Cross multiply
125,251.18x = 187,875.17 × 30,481.53 - Step 4: Simplify right side
125,251.18x = 5,726,721,615.03 - Step 5: Solve for x
x = 5,726,721,615.03/125,251.18 - Step 6: Final answer
x = 45,721.90
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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.