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Finding the Fourth Proportional to 269,563.40, 404,288.40 and 136,318.40

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Solution

The fourth proportional to 269,563.40, 404,288.40 and 136,318.40 is: 204,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,563.40 : 404,288.40 = 136,318.40 : x
  2. Step 2: Convert to fraction form
    269,563.40/404,288.40 = 136,318.40/x
  3. Step 3: Cross multiply
    269,563.40x = 404,288.40 × 136,318.40
  4. Step 4: Simplify right side
    269,563.40x = 55,111,947,826.56
  5. Step 5: Solve for x
    x = 55,111,947,826.56/269,563.40
  6. Step 6: Final answer
    x = 204,448.93

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