Finding the Fourth Proportional to 239,704.92, 359,445.60 and 71,163.36
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Solution
The fourth proportional to 239,704.92, 359,445.60 and 71,163.36 is: 106,711.85
Step by Step Solution
- Step 1: Write the proportion equation
239,704.92 : 359,445.60 = 71,163.36 : x - Step 2: Convert to fraction form
239,704.92/359,445.60 = 71,163.36/x - Step 3: Cross multiply
239,704.92x = 359,445.60 × 71,163.36 - Step 4: Simplify right side
239,704.92x = 25,579,356,633.22 - Step 5: Solve for x
x = 25,579,356,633.22/239,704.92 - Step 6: Final answer
x = 106,711.85
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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.