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Finding the Fourth Proportional to 273,016.40, 409,524.60 and 115,422.80

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Solution

The fourth proportional to 273,016.40, 409,524.60 and 115,422.80 is: 173,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,016.40 : 409,524.60 = 115,422.80 : x
  2. Step 2: Convert to fraction form
    273,016.40/409,524.60 = 115,422.80/x
  3. Step 3: Cross multiply
    273,016.40x = 409,524.60 × 115,422.80
  4. Step 4: Simplify right side
    273,016.40x = 47,268,476,000.88
  5. Step 5: Solve for x
    x = 47,268,476,000.88/273,016.40
  6. Step 6: Final answer
    x = 173,134.20

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