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Finding the Fourth Proportional to 226,949.40, 340,464.72 and 77,181.90

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Solution

The fourth proportional to 226,949.40, 340,464.72 and 77,181.90 is: 115,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,949.40 : 340,464.72 = 77,181.90 : x
  2. Step 2: Convert to fraction form
    226,949.40/340,464.72 = 77,181.90/x
  3. Step 3: Cross multiply
    226,949.40x = 340,464.72 × 77,181.90
  4. Step 4: Simplify right side
    226,949.40x = 26,277,713,972.57
  5. Step 5: Solve for x
    x = 26,277,713,972.57/226,949.40
  6. Step 6: Final answer
    x = 115,786.66

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