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Finding the Fourth Proportional to 315,834.52, 435,857.36 and 172,600.60

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Solution

The fourth proportional to 315,834.52, 435,857.36 and 172,600.60 is: 238,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,834.52 : 435,857.36 = 172,600.60 : x
  2. Step 2: Convert to fraction form
    315,834.52/435,857.36 = 172,600.60/x
  3. Step 3: Cross multiply
    315,834.52x = 435,857.36 × 172,600.60
  4. Step 4: Simplify right side
    315,834.52x = 75,229,241,850.42
  5. Step 5: Solve for x
    x = 75,229,241,850.42/315,834.52
  6. Step 6: Final answer
    x = 238,191.96

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