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Finding the Fourth Proportional to 283,606.87, 391,380.12 and 156,287.02

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Solution

The fourth proportional to 283,606.87, 391,380.12 and 156,287.02 is: 215,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,606.87 : 391,380.12 = 156,287.02 : x
  2. Step 2: Convert to fraction form
    283,606.87/391,380.12 = 156,287.02/x
  3. Step 3: Cross multiply
    283,606.87x = 391,380.12 × 156,287.02
  4. Step 4: Simplify right side
    283,606.87x = 61,167,632,642.04
  5. Step 5: Solve for x
    x = 61,167,632,642.04/283,606.87
  6. Step 6: Final answer
    x = 215,677.54

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