Finding the Fourth Proportional to 102,096.96, 153,121.92 and 38,924.28
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Solution
The fourth proportional to 102,096.96, 153,121.92 and 38,924.28 is: 58,377.45
Step by Step Solution
- Step 1: Write the proportion equation
102,096.96 : 153,121.92 = 38,924.28 : x - Step 2: Convert to fraction form
102,096.96/153,121.92 = 38,924.28/x - Step 3: Cross multiply
102,096.96x = 153,121.92 × 38,924.28 - Step 4: Simplify right side
102,096.96x = 5,960,160,488.22 - Step 5: Solve for x
x = 5,960,160,488.22/102,096.96 - Step 6: Final answer
x = 58,377.45
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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.