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Finding the Fourth Proportional to 285,264.43, 393,687.14 and 157,951.87

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Solution

The fourth proportional to 285,264.43, 393,687.14 and 157,951.87 is: 217,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,264.43 : 393,687.14 = 157,951.87 : x
  2. Step 2: Convert to fraction form
    285,264.43/393,687.14 = 157,951.87/x
  3. Step 3: Cross multiply
    285,264.43x = 393,687.14 × 157,951.87
  4. Step 4: Simplify right side
    285,264.43x = 62,183,619,957.95
  5. Step 5: Solve for x
    x = 62,183,619,957.95/285,264.43
  6. Step 6: Final answer
    x = 217,985.89

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