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Finding the Fourth Proportional to 281,169.74, 388,013.82 and 153,845.30

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Solution

The fourth proportional to 281,169.74, 388,013.82 and 153,845.30 is: 212,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,169.74 : 388,013.82 = 153,845.30 : x
  2. Step 2: Convert to fraction form
    281,169.74/388,013.82 = 153,845.30/x
  3. Step 3: Cross multiply
    281,169.74x = 388,013.82 × 153,845.30
  4. Step 4: Simplify right side
    281,169.74x = 59,694,102,542.05
  5. Step 5: Solve for x
    x = 59,694,102,542.05/281,169.74
  6. Step 6: Final answer
    x = 212,306.28

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