Finding the Fourth Proportional to 507,785.14, 762,134.55 and 271,329.94
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Solution
The fourth proportional to 507,785.14, 762,134.55 and 271,329.94 is: 407,239.02
Step by Step Solution
- Step 1: Write the proportion equation
507,785.14 : 762,134.55 = 271,329.94 : x - Step 2: Convert to fraction form
507,785.14/762,134.55 = 271,329.94/x - Step 3: Cross multiply
507,785.14x = 762,134.55 × 271,329.94 - Step 4: Simplify right side
507,785.14x = 206,789,921,723.43 - Step 5: Solve for x
x = 206,789,921,723.43/507,785.14 - Step 6: Final answer
x = 407,239.02
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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.