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Finding the Fourth Proportional to 234,659.82, 323,829 and 127,229.52

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Solution

The fourth proportional to 234,659.82, 323,829 and 127,229.52 is: 175,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,659.82 : 323,829 = 127,229.52 : x
  2. Step 2: Convert to fraction form
    234,659.82/323,829 = 127,229.52/x
  3. Step 3: Cross multiply
    234,659.82x = 323,829 × 127,229.52
  4. Step 4: Simplify right side
    234,659.82x = 41,200,608,232.08
  5. Step 5: Solve for x
    x = 41,200,608,232.08/234,659.82
  6. Step 6: Final answer
    x = 175,575.90

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1.5x scale

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.