Home / 268,494.20-402,720.22-156,102.75

Finding the Fourth Proportional to 268,494.20, 402,720.22 and 156,102.75

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Solution

The fourth proportional to 268,494.20, 402,720.22 and 156,102.75 is: 234,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,494.20 : 402,720.22 = 156,102.75 : x
  2. Step 2: Convert to fraction form
    268,494.20/402,720.22 = 156,102.75/x
  3. Step 3: Cross multiply
    268,494.20x = 402,720.22 × 156,102.75
  4. Step 4: Simplify right side
    268,494.20x = 62,865,733,822.61
  5. Step 5: Solve for x
    x = 62,865,733,822.61/268,494.20
  6. Step 6: Final answer
    x = 234,141.87

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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.