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Finding the Fourth Proportional to 283,997.90, 391,936.12 and 163,178.30

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Solution

The fourth proportional to 283,997.90, 391,936.12 and 163,178.30 is: 225,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,997.90 : 391,936.12 = 163,178.30 : x
  2. Step 2: Convert to fraction form
    283,997.90/391,936.12 = 163,178.30/x
  3. Step 3: Cross multiply
    283,997.90x = 391,936.12 × 163,178.30
  4. Step 4: Simplify right side
    283,997.90x = 63,955,469,770.20
  5. Step 5: Solve for x
    x = 63,955,469,770.20/283,997.90
  6. Step 6: Final answer
    x = 225,196.98

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