Finding the Fourth Proportional to 185,414.24, 278,132.20 and 71,562.62
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Solution
The fourth proportional to 185,414.24, 278,132.20 and 71,562.62 is: 107,348.12
Step by Step Solution
- Step 1: Write the proportion equation
185,414.24 : 278,132.20 = 71,562.62 : x - Step 2: Convert to fraction form
185,414.24/278,132.20 = 71,562.62/x - Step 3: Cross multiply
185,414.24x = 278,132.20 × 71,562.62 - Step 4: Simplify right side
185,414.24x = 19,903,869,454.79 - Step 5: Solve for x
x = 19,903,869,454.79/185,414.24 - Step 6: Final answer
x = 107,348.12
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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.