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Finding the Fourth Proportional to 325,810.40, 488,715.60 and 115,469.60

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Solution

The fourth proportional to 325,810.40, 488,715.60 and 115,469.60 is: 173,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,810.40 : 488,715.60 = 115,469.60 : x
  2. Step 2: Convert to fraction form
    325,810.40/488,715.60 = 115,469.60/x
  3. Step 3: Cross multiply
    325,810.40x = 488,715.60 × 115,469.60
  4. Step 4: Simplify right side
    325,810.40x = 56,431,794,845.76
  5. Step 5: Solve for x
    x = 56,431,794,845.76/325,810.40
  6. Step 6: Final answer
    x = 173,204.40

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