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Finding the Fourth Proportional to 332,695.20, 499,107.60 and 143,155.20

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Solution

The fourth proportional to 332,695.20, 499,107.60 and 143,155.20 is: 214,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,695.20 : 499,107.60 = 143,155.20 : x
  2. Step 2: Convert to fraction form
    332,695.20/499,107.60 = 143,155.20/x
  3. Step 3: Cross multiply
    332,695.20x = 499,107.60 × 143,155.20
  4. Step 4: Simplify right side
    332,695.20x = 71,449,848,299.52
  5. Step 5: Solve for x
    x = 71,449,848,299.52/332,695.20
  6. Step 6: Final answer
    x = 214,760.68

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