Finding the Fourth Proportional to 471,426.53, 707,163.16 and 134,516.81
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Solution
The fourth proportional to 471,426.53, 707,163.16 and 134,516.81 is: 201,781.88
Step by Step Solution
- Step 1: Write the proportion equation
471,426.53 : 707,163.16 = 134,516.81 : x - Step 2: Convert to fraction form
471,426.53/707,163.16 = 134,516.81/x - Step 3: Cross multiply
471,426.53x = 707,163.16 × 134,516.81 - Step 4: Simplify right side
471,426.53x = 95,125,332,432.72 - Step 5: Solve for x
x = 95,125,332,432.72/471,426.53 - Step 6: Final answer
x = 201,781.88
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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.