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Finding the Fourth Proportional to 234,760.60, 352,140.90 and 68,548.60

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Solution

The fourth proportional to 234,760.60, 352,140.90 and 68,548.60 is: 102,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,760.60 : 352,140.90 = 68,548.60 : x
  2. Step 2: Convert to fraction form
    234,760.60/352,140.90 = 68,548.60/x
  3. Step 3: Cross multiply
    234,760.60x = 352,140.90 × 68,548.60
  4. Step 4: Simplify right side
    234,760.60x = 24,138,765,697.74
  5. Step 5: Solve for x
    x = 24,138,765,697.74/234,760.60
  6. Step 6: Final answer
    x = 102,822.90

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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.