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Finding the Fourth Proportional to 403,134.92, 556,330.36 and 231,049.16

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Solution

The fourth proportional to 403,134.92, 556,330.36 and 231,049.16 is: 318,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,134.92 : 556,330.36 = 231,049.16 : x
  2. Step 2: Convert to fraction form
    403,134.92/556,330.36 = 231,049.16/x
  3. Step 3: Cross multiply
    403,134.92x = 556,330.36 × 231,049.16
  4. Step 4: Simplify right side
    403,134.92x = 128,539,659,578.85
  5. Step 5: Solve for x
    x = 128,539,659,578.85/403,134.92
  6. Step 6: Final answer
    x = 318,850.22

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