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Finding the Fourth Proportional to 268,044.46, 369,884.52 and 147,184.90

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Solution

The fourth proportional to 268,044.46, 369,884.52 and 147,184.90 is: 203,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,044.46 : 369,884.52 = 147,184.90 : x
  2. Step 2: Convert to fraction form
    268,044.46/369,884.52 = 147,184.90/x
  3. Step 3: Cross multiply
    268,044.46x = 369,884.52 × 147,184.90
  4. Step 4: Simplify right side
    268,044.46x = 54,441,416,087.75
  5. Step 5: Solve for x
    x = 54,441,416,087.75/268,044.46
  6. Step 6: Final answer
    x = 203,105.92

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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.