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Finding the Fourth Proportional to 283,571.08, 391,345.56 and 156,246.64

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Solution

The fourth proportional to 283,571.08, 391,345.56 and 156,246.64 is: 215,629.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,571.08 : 391,345.56 = 156,246.64 : x
  2. Step 2: Convert to fraction form
    283,571.08/391,345.56 = 156,246.64/x
  3. Step 3: Cross multiply
    283,571.08x = 391,345.56 × 156,246.64
  4. Step 4: Simplify right side
    283,571.08x = 61,146,428,828.92
  5. Step 5: Solve for x
    x = 61,146,428,828.92/283,571.08
  6. Step 6: Final answer
    x = 215,629.99

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