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Finding the Fourth Proportional to 283,354.50, 391,029.21 and 156,029.79

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Solution

The fourth proportional to 283,354.50, 391,029.21 and 156,029.79 is: 215,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,354.50 : 391,029.21 = 156,029.79 : x
  2. Step 2: Convert to fraction form
    283,354.50/391,029.21 = 156,029.79/x
  3. Step 3: Cross multiply
    283,354.50x = 391,029.21 × 156,029.79
  4. Step 4: Simplify right side
    283,354.50x = 61,012,205,520.17
  5. Step 5: Solve for x
    x = 61,012,205,520.17/283,354.50
  6. Step 6: Final answer
    x = 215,321.11

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