Finding the Fourth Proportional to 202,213.90, 303,175.05 and 132,132.70
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Solution
The fourth proportional to 202,213.90, 303,175.05 and 132,132.70 is: 198,103.78
Step by Step Solution
- Step 1: Write the proportion equation
202,213.90 : 303,175.05 = 132,132.70 : x - Step 2: Convert to fraction form
202,213.90/303,175.05 = 132,132.70/x - Step 3: Cross multiply
202,213.90x = 303,175.05 × 132,132.70 - Step 4: Simplify right side
202,213.90x = 40,059,337,929.14 - Step 5: Solve for x
x = 40,059,337,929.14/202,213.90 - Step 6: Final answer
x = 198,103.78
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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.