Home / 267,854.24-401,785.20-127,627.68

Finding the Fourth Proportional to 267,854.24, 401,785.20 and 127,627.68

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Solution

The fourth proportional to 267,854.24, 401,785.20 and 127,627.68 is: 191,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,854.24 : 401,785.20 = 127,627.68 : x
  2. Step 2: Convert to fraction form
    267,854.24/401,785.20 = 127,627.68/x
  3. Step 3: Cross multiply
    267,854.24x = 401,785.20 × 127,627.68
  4. Step 4: Simplify right side
    267,854.24x = 51,278,912,934.34
  5. Step 5: Solve for x
    x = 51,278,912,934.34/267,854.24
  6. Step 6: Final answer
    x = 191,443.35

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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.