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Finding the Fourth Proportional to 269,720.40, 404,580.60 and 92,200.80

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Solution

The fourth proportional to 269,720.40, 404,580.60 and 92,200.80 is: 138,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,720.40 : 404,580.60 = 92,200.80 : x
  2. Step 2: Convert to fraction form
    269,720.40/404,580.60 = 92,200.80/x
  3. Step 3: Cross multiply
    269,720.40x = 404,580.60 × 92,200.80
  4. Step 4: Simplify right side
    269,720.40x = 37,302,654,984.48
  5. Step 5: Solve for x
    x = 37,302,654,984.48/269,720.40
  6. Step 6: Final answer
    x = 138,301.20

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