Home / 231,772.18-347,712.18-71,839.63

Finding the Fourth Proportional to 231,772.18, 347,712.18 and 71,839.63

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Solution

The fourth proportional to 231,772.18, 347,712.18 and 71,839.63 is: 107,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,772.18 : 347,712.18 = 71,839.63 : x
  2. Step 2: Convert to fraction form
    231,772.18/347,712.18 = 71,839.63/x
  3. Step 3: Cross multiply
    231,772.18x = 347,712.18 × 71,839.63
  4. Step 4: Simplify right side
    231,772.18x = 24,979,513,488.41
  5. Step 5: Solve for x
    x = 24,979,513,488.41/231,772.18
  6. Step 6: Final answer
    x = 107,776.15

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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.