Finding the Fourth Proportional to 239,793.44, 359,760.84 and 71,315.12
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Solution
The fourth proportional to 239,793.44, 359,760.84 and 71,315.12 is: 106,993.70
Step by Step Solution
- Step 1: Write the proportion equation
239,793.44 : 359,760.84 = 71,315.12 : x - Step 2: Convert to fraction form
239,793.44/359,760.84 = 71,315.12/x - Step 3: Cross multiply
239,793.44x = 359,760.84 × 71,315.12 - Step 4: Simplify right side
239,793.44x = 25,656,387,475.90 - Step 5: Solve for x
x = 25,656,387,475.90/239,793.44 - Step 6: Final answer
x = 106,993.70
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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.