Finding the Fourth Proportional to 284,358.28, 392,414.36 and 157,033.87
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Solution
The fourth proportional to 284,358.28, 392,414.36 and 157,033.87 is: 216,706.70
Step by Step Solution
- Step 1: Write the proportion equation
284,358.28 : 392,414.36 = 157,033.87 : x - Step 2: Convert to fraction form
284,358.28/392,414.36 = 157,033.87/x - Step 3: Cross multiply
284,358.28x = 392,414.36 × 157,033.87 - Step 4: Simplify right side
284,358.28x = 61,622,342,847.13 - Step 5: Solve for x
x = 61,622,342,847.13/284,358.28 - Step 6: Final answer
x = 216,706.70
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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.