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Finding the Fourth Proportional to 325,810.60, 488,715.90 and 115,469.80

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Solution

The fourth proportional to 325,810.60, 488,715.90 and 115,469.80 is: 173,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,810.60 : 488,715.90 = 115,469.80 : x
  2. Step 2: Convert to fraction form
    325,810.60/488,715.90 = 115,469.80/x
  3. Step 3: Cross multiply
    325,810.60x = 488,715.90 × 115,469.80
  4. Step 4: Simplify right side
    325,810.60x = 56,431,927,229.82
  5. Step 5: Solve for x
    x = 56,431,927,229.82/325,810.60
  6. Step 6: Final answer
    x = 173,204.70

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