Finding the Fourth Proportional to 239,635.27, 359,452.92 and 81,865.09
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Solution
The fourth proportional to 239,635.27, 359,452.92 and 81,865.09 is: 122,797.64
Step by Step Solution
- Step 1: Write the proportion equation
239,635.27 : 359,452.92 = 81,865.09 : x - Step 2: Convert to fraction form
239,635.27/359,452.92 = 81,865.09/x - Step 3: Cross multiply
239,635.27x = 359,452.92 × 81,865.09 - Step 4: Simplify right side
239,635.27x = 29,426,643,849.30 - Step 5: Solve for x
x = 29,426,643,849.30/239,635.27 - Step 6: Final answer
x = 122,797.64
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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.