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Finding the Fourth Proportional to 269,528.90, 404,621.40 and 136,340.60

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Solution

The fourth proportional to 269,528.90, 404,621.40 and 136,340.60 is: 204,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,528.90 : 404,621.40 = 136,340.60 : x
  2. Step 2: Convert to fraction form
    269,528.90/404,621.40 = 136,340.60/x
  3. Step 3: Cross multiply
    269,528.90x = 404,621.40 × 136,340.60
  4. Step 4: Simplify right side
    269,528.90x = 55,166,324,448.84
  5. Step 5: Solve for x
    x = 55,166,324,448.84/269,528.90
  6. Step 6: Final answer
    x = 204,676.84

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