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Finding the Fourth Proportional to 269,503.20, 404,254.80 and 82,514.40

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Solution

The fourth proportional to 269,503.20, 404,254.80 and 82,514.40 is: 123,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,503.20 : 404,254.80 = 82,514.40 : x
  2. Step 2: Convert to fraction form
    269,503.20/404,254.80 = 82,514.40/x
  3. Step 3: Cross multiply
    269,503.20x = 404,254.80 × 82,514.40
  4. Step 4: Simplify right side
    269,503.20x = 33,356,842,269.12
  5. Step 5: Solve for x
    x = 33,356,842,269.12/269,503.20
  6. Step 6: Final answer
    x = 123,771.60

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