Finding the Fourth Proportional to 385,247.24, 577,727.16 and 132,456.14
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Solution
The fourth proportional to 385,247.24, 577,727.16 and 132,456.14 is: 198,634.80
Step by Step Solution
- Step 1: Write the proportion equation
385,247.24 : 577,727.16 = 132,456.14 : x - Step 2: Convert to fraction form
385,247.24/577,727.16 = 132,456.14/x - Step 3: Cross multiply
385,247.24x = 577,727.16 × 132,456.14 - Step 4: Simplify right side
385,247.24x = 76,523,509,586.76 - Step 5: Solve for x
x = 76,523,509,586.76/385,247.24 - Step 6: Final answer
x = 198,634.80
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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.