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Finding the Fourth Proportional to 327,682.60, 491,178.30 and 127,925.80

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Solution

The fourth proportional to 327,682.60, 491,178.30 and 127,925.80 is: 191,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,682.60 : 491,178.30 = 127,925.80 : x
  2. Step 2: Convert to fraction form
    327,682.60/491,178.30 = 127,925.80/x
  3. Step 3: Cross multiply
    327,682.60x = 491,178.30 × 127,925.80
  4. Step 4: Simplify right side
    327,682.60x = 62,834,376,970.14
  5. Step 5: Solve for x
    x = 62,834,376,970.14/327,682.60
  6. Step 6: Final answer
    x = 191,753.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.