Home / 231,284.57-319,155.19-140,627.95

Finding the Fourth Proportional to 231,284.57, 319,155.19 and 140,627.95

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Solution

The fourth proportional to 231,284.57, 319,155.19 and 140,627.95 is: 194,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,284.57 : 319,155.19 = 140,627.95 : x
  2. Step 2: Convert to fraction form
    231,284.57/319,155.19 = 140,627.95/x
  3. Step 3: Cross multiply
    231,284.57x = 319,155.19 × 140,627.95
  4. Step 4: Simplify right side
    231,284.57x = 44,882,138,952.10
  5. Step 5: Solve for x
    x = 44,882,138,952.10/231,284.57
  6. Step 6: Final answer
    x = 194,055.92

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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.