Home / 296,439.11-444,659.28-138,778.28

Finding the Fourth Proportional to 296,439.11, 444,659.28 and 138,778.28

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Solution

The fourth proportional to 296,439.11, 444,659.28 and 138,778.28 is: 208,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,439.11 : 444,659.28 = 138,778.28 : x
  2. Step 2: Convert to fraction form
    296,439.11/444,659.28 = 138,778.28/x
  3. Step 3: Cross multiply
    296,439.11x = 444,659.28 × 138,778.28
  4. Step 4: Simplify right side
    296,439.11x = 61,709,049,370.55
  5. Step 5: Solve for x
    x = 61,709,049,370.55/296,439.11
  6. Step 6: Final answer
    x = 208,167.71

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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.