Finding the Fourth Proportional to 252,232.52, 378,404.14 and 74,753.44
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Solution
The fourth proportional to 252,232.52, 378,404.14 and 74,753.44 is: 112,146.57
Step by Step Solution
- Step 1: Write the proportion equation
252,232.52 : 378,404.14 = 74,753.44 : x - Step 2: Convert to fraction form
252,232.52/378,404.14 = 74,753.44/x - Step 3: Cross multiply
252,232.52x = 378,404.14 × 74,753.44 - Step 4: Simplify right side
252,232.52x = 28,287,011,175.24 - Step 5: Solve for x
x = 28,287,011,175.24/252,232.52 - Step 6: Final answer
x = 112,146.57
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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.