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Finding the Fourth Proportional to 325,640.20, 488,229.90 and 125,883.40

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Solution

The fourth proportional to 325,640.20, 488,229.90 and 125,883.40 is: 188,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,640.20 : 488,229.90 = 125,883.40 : x
  2. Step 2: Convert to fraction form
    325,640.20/488,229.90 = 125,883.40/x
  3. Step 3: Cross multiply
    325,640.20x = 488,229.90 × 125,883.40
  4. Step 4: Simplify right side
    325,640.20x = 61,460,039,793.66
  5. Step 5: Solve for x
    x = 61,460,039,793.66/325,640.20
  6. Step 6: Final answer
    x = 188,736.03

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