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Finding the Fourth Proportional to 325,813.20, 488,806.20 and 115,429.20

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Solution

The fourth proportional to 325,813.20, 488,806.20 and 115,429.20 is: 173,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,813.20 : 488,806.20 = 115,429.20 : x
  2. Step 2: Convert to fraction form
    325,813.20/488,806.20 = 115,429.20/x
  3. Step 3: Cross multiply
    325,813.20x = 488,806.20 × 115,429.20
  4. Step 4: Simplify right side
    325,813.20x = 56,422,508,621.04
  5. Step 5: Solve for x
    x = 56,422,508,621.04/325,813.20
  6. Step 6: Final answer
    x = 173,174.41

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