Finding the Fourth Proportional to 247,455.44, 341,489.42 and 134,278.19
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Solution
The fourth proportional to 247,455.44, 341,489.42 and 134,278.19 is: 185,304.40
Step by Step Solution
- Step 1: Write the proportion equation
247,455.44 : 341,489.42 = 134,278.19 : x - Step 2: Convert to fraction form
247,455.44/341,489.42 = 134,278.19/x - Step 3: Cross multiply
247,455.44x = 341,489.42 × 134,278.19 - Step 4: Simplify right side
247,455.44x = 45,854,581,221.75 - Step 5: Solve for x
x = 45,854,581,221.75/247,455.44 - Step 6: Final answer
x = 185,304.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.