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Finding the Fourth Proportional to 283,760.62, 391,592.69 and 156,440.77

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Solution

The fourth proportional to 283,760.62, 391,592.69 and 156,440.77 is: 215,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,760.62 : 391,592.69 = 156,440.77 : x
  2. Step 2: Convert to fraction form
    283,760.62/391,592.69 = 156,440.77/x
  3. Step 3: Cross multiply
    283,760.62x = 391,592.69 × 156,440.77
  4. Step 4: Simplify right side
    283,760.62x = 61,261,061,949.97
  5. Step 5: Solve for x
    x = 61,261,061,949.97/283,760.62
  6. Step 6: Final answer
    x = 215,889.94

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