Finding the Fourth Proportional to 351,753.42, 527,679.30 and 115,048.92
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Solution
The fourth proportional to 351,753.42, 527,679.30 and 115,048.92 is: 172,589.46
Step by Step Solution
- Step 1: Write the proportion equation
351,753.42 : 527,679.30 = 115,048.92 : x - Step 2: Convert to fraction form
351,753.42/527,679.30 = 115,048.92/x - Step 3: Cross multiply
351,753.42x = 527,679.30 × 115,048.92 - Step 4: Simplify right side
351,753.42x = 60,708,933,571.36 - Step 5: Solve for x
x = 60,708,933,571.36/351,753.42 - Step 6: Final answer
x = 172,589.46
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1.5x scale
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.