Finding the Fourth Proportional to 385,060.55, 577,467.97 and 132,280.08
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Solution
The fourth proportional to 385,060.55, 577,467.97 and 132,280.08 is: 198,377.92
Step by Step Solution
- Step 1: Write the proportion equation
385,060.55 : 577,467.97 = 132,280.08 : x - Step 2: Convert to fraction form
385,060.55/577,467.97 = 132,280.08/x - Step 3: Cross multiply
385,060.55x = 577,467.97 × 132,280.08 - Step 4: Simplify right side
385,060.55x = 76,387,510,021.09 - Step 5: Solve for x
x = 76,387,510,021.09/385,060.55 - Step 6: Final answer
x = 198,377.92
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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.