Finding the Fourth Proportional to 121,475.11, 182,134.62 and 50,446.74
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Solution
The fourth proportional to 121,475.11, 182,134.62 and 50,446.74 is: 75,637.70
Step by Step Solution
- Step 1: Write the proportion equation
121,475.11 : 182,134.62 = 50,446.74 : x - Step 2: Convert to fraction form
121,475.11/182,134.62 = 50,446.74/x - Step 3: Cross multiply
121,475.11x = 182,134.62 × 50,446.74 - Step 4: Simplify right side
121,475.11x = 9,188,098,532.01 - Step 5: Solve for x
x = 9,188,098,532.01/121,475.11 - Step 6: Final answer
x = 75,637.70
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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.