Home / 231,344.28-319,127.58-159,761.88

Finding the Fourth Proportional to 231,344.28, 319,127.58 and 159,761.88

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Solution

The fourth proportional to 231,344.28, 319,127.58 and 159,761.88 is: 220,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,344.28 : 319,127.58 = 159,761.88 : x
  2. Step 2: Convert to fraction form
    231,344.28/319,127.58 = 159,761.88/x
  3. Step 3: Cross multiply
    231,344.28x = 319,127.58 × 159,761.88
  4. Step 4: Simplify right side
    231,344.28x = 50,984,422,140.65
  5. Step 5: Solve for x
    x = 50,984,422,140.65/231,344.28
  6. Step 6: Final answer
    x = 220,383.33

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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.