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Finding the Fourth Proportional to 325,861.80, 488,792.70 and 115,472.40

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Solution

The fourth proportional to 325,861.80, 488,792.70 and 115,472.40 is: 173,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,861.80 : 488,792.70 = 115,472.40 : x
  2. Step 2: Convert to fraction form
    325,861.80/488,792.70 = 115,472.40/x
  3. Step 3: Cross multiply
    325,861.80x = 488,792.70 × 115,472.40
  4. Step 4: Simplify right side
    325,861.80x = 56,442,066,171.48
  5. Step 5: Solve for x
    x = 56,442,066,171.48/325,861.80
  6. Step 6: Final answer
    x = 173,208.60

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