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Finding the Fourth Proportional to 325,927.40, 488,891.10 and 115,495.40

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Solution

The fourth proportional to 325,927.40, 488,891.10 and 115,495.40 is: 173,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,927.40 : 488,891.10 = 115,495.40 : x
  2. Step 2: Convert to fraction form
    325,927.40/488,891.10 = 115,495.40/x
  3. Step 3: Cross multiply
    325,927.40x = 488,891.10 × 115,495.40
  4. Step 4: Simplify right side
    325,927.40x = 56,464,673,150.94
  5. Step 5: Solve for x
    x = 56,464,673,150.94/325,927.40
  6. Step 6: Final answer
    x = 173,243.10

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