Finding the Fourth Proportional to 239,160.16, 358,691.28 and 89,372.80
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Solution
The fourth proportional to 239,160.16, 358,691.28 and 89,372.80 is: 134,040.90
Step by Step Solution
- Step 1: Write the proportion equation
239,160.16 : 358,691.28 = 89,372.80 : x - Step 2: Convert to fraction form
239,160.16/358,691.28 = 89,372.80/x - Step 3: Cross multiply
239,160.16x = 358,691.28 × 89,372.80 - Step 4: Simplify right side
239,160.16x = 32,057,244,029.18 - Step 5: Solve for x
x = 32,057,244,029.18/239,160.16 - Step 6: Final answer
x = 134,040.90
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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.