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Finding the Fourth Proportional to 234,230.85, 323,238.50 and 126,800.80

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Solution

The fourth proportional to 234,230.85, 323,238.50 and 126,800.80 is: 174,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.85 : 323,238.50 = 126,800.80 : x
  2. Step 2: Convert to fraction form
    234,230.85/323,238.50 = 126,800.80/x
  3. Step 3: Cross multiply
    234,230.85x = 323,238.50 × 126,800.80
  4. Step 4: Simplify right side
    234,230.85x = 40,986,900,390.80
  5. Step 5: Solve for x
    x = 40,986,900,390.80/234,230.85
  6. Step 6: Final answer
    x = 174,985.06

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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.