Finding the Fourth Proportional to 257,694.87, 386,542.26 and 151,240.80
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Solution
The fourth proportional to 257,694.87, 386,542.26 and 151,240.80 is: 226,861.17
Step by Step Solution
- Step 1: Write the proportion equation
257,694.87 : 386,542.26 = 151,240.80 : x - Step 2: Convert to fraction form
257,694.87/386,542.26 = 151,240.80/x - Step 3: Cross multiply
257,694.87x = 386,542.26 × 151,240.80 - Step 4: Simplify right side
257,694.87x = 58,460,960,636.21 - Step 5: Solve for x
x = 58,460,960,636.21/257,694.87 - Step 6: Final answer
x = 226,861.17
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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.