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Finding the Fourth Proportional to 325,641.20, 488,231.40 and 125,884.40

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Solution

The fourth proportional to 325,641.20, 488,231.40 and 125,884.40 is: 188,737.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,641.20 : 488,231.40 = 125,884.40 : x
  2. Step 2: Convert to fraction form
    325,641.20/488,231.40 = 125,884.40/x
  3. Step 3: Cross multiply
    325,641.20x = 488,231.40 × 125,884.40
  4. Step 4: Simplify right side
    325,641.20x = 61,460,716,850.16
  5. Step 5: Solve for x
    x = 61,460,716,850.16/325,641.20
  6. Step 6: Final answer
    x = 188,737.53

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