Finding the Fourth Proportional to 252,177.13, 378,265.01 and 74,697.98
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Solution
The fourth proportional to 252,177.13, 378,265.01 and 74,697.98 is: 112,046.76
Step by Step Solution
- Step 1: Write the proportion equation
252,177.13 : 378,265.01 = 74,697.98 : x - Step 2: Convert to fraction form
252,177.13/378,265.01 = 74,697.98/x - Step 3: Cross multiply
252,177.13x = 378,265.01 × 74,697.98 - Step 4: Simplify right side
252,177.13x = 28,255,630,832.53 - Step 5: Solve for x
x = 28,255,630,832.53/252,177.13 - Step 6: Final answer
x = 112,046.76
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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.