Home / 231,888.40-347,882.56-71,961.20

Finding the Fourth Proportional to 231,888.40, 347,882.56 and 71,961.20

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Solution

The fourth proportional to 231,888.40, 347,882.56 and 71,961.20 is: 107,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,888.40 : 347,882.56 = 71,961.20 : x
  2. Step 2: Convert to fraction form
    231,888.40/347,882.56 = 71,961.20/x
  3. Step 3: Cross multiply
    231,888.40x = 347,882.56 × 71,961.20
  4. Step 4: Simplify right side
    231,888.40x = 25,034,046,476.67
  5. Step 5: Solve for x
    x = 25,034,046,476.67/231,888.40
  6. Step 6: Final answer
    x = 107,957.30

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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.