Finding the Fourth Proportional to 378,079.29, 567,052.92 and 141,372.99
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Solution
The fourth proportional to 378,079.29, 567,052.92 and 141,372.99 is: 212,034.80
Step by Step Solution
- Step 1: Write the proportion equation
378,079.29 : 567,052.92 = 141,372.99 : x - Step 2: Convert to fraction form
378,079.29/567,052.92 = 141,372.99/x - Step 3: Cross multiply
378,079.29x = 567,052.92 × 141,372.99 - Step 4: Simplify right side
378,079.29x = 80,165,966,788.63 - Step 5: Solve for x
x = 80,165,966,788.63/378,079.29 - Step 6: Final answer
x = 212,034.80
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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.