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Finding the Fourth Proportional to 234,932.94, 324,209.88 and 127,503.90

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Solution

The fourth proportional to 234,932.94, 324,209.88 and 127,503.90 is: 175,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,932.94 : 324,209.88 = 127,503.90 : x
  2. Step 2: Convert to fraction form
    234,932.94/324,209.88 = 127,503.90/x
  3. Step 3: Cross multiply
    234,932.94x = 324,209.88 × 127,503.90
  4. Step 4: Simplify right side
    234,932.94x = 41,338,024,118.53
  5. Step 5: Solve for x
    x = 41,338,024,118.53/234,932.94
  6. Step 6: Final answer
    x = 175,956.70

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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.