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Finding the Fourth Proportional to 325,876.60, 488,960.70 and 148,292.20

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Solution

The fourth proportional to 325,876.60, 488,960.70 and 148,292.20 is: 222,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,876.60 : 488,960.70 = 148,292.20 : x
  2. Step 2: Convert to fraction form
    325,876.60/488,960.70 = 148,292.20/x
  3. Step 3: Cross multiply
    325,876.60x = 488,960.70 × 148,292.20
  4. Step 4: Simplify right side
    325,876.60x = 72,509,057,916.54
  5. Step 5: Solve for x
    x = 72,509,057,916.54/325,876.60
  6. Step 6: Final answer
    x = 222,504.65

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