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Finding the Fourth Proportional to 221,439.20, 332,104.80 and 63,651.20

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Solution

The fourth proportional to 221,439.20, 332,104.80 and 63,651.20 is: 95,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,439.20 : 332,104.80 = 63,651.20 : x
  2. Step 2: Convert to fraction form
    221,439.20/332,104.80 = 63,651.20/x
  3. Step 3: Cross multiply
    221,439.20x = 332,104.80 × 63,651.20
  4. Step 4: Simplify right side
    221,439.20x = 21,138,869,045.76
  5. Step 5: Solve for x
    x = 21,138,869,045.76/221,439.20
  6. Step 6: Final answer
    x = 95,461.28

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