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Finding the Fourth Proportional to 288,046.20, 432,000.18 and 147,732.60

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Solution

The fourth proportional to 288,046.20, 432,000.18 and 147,732.60 is: 221,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,046.20 : 432,000.18 = 147,732.60 : x
  2. Step 2: Convert to fraction form
    288,046.20/432,000.18 = 147,732.60/x
  3. Step 3: Cross multiply
    288,046.20x = 432,000.18 × 147,732.60
  4. Step 4: Simplify right side
    288,046.20x = 63,820,509,791.87
  5. Step 5: Solve for x
    x = 63,820,509,791.87/288,046.20
  6. Step 6: Final answer
    x = 221,563.45

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