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Finding the Fourth Proportional to 273,882.80, 410,824.20 and 76,865.20

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Solution

The fourth proportional to 273,882.80, 410,824.20 and 76,865.20 is: 115,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,882.80 : 410,824.20 = 76,865.20 : x
  2. Step 2: Convert to fraction form
    273,882.80/410,824.20 = 76,865.20/x
  3. Step 3: Cross multiply
    273,882.80x = 410,824.20 × 76,865.20
  4. Step 4: Simplify right side
    273,882.80x = 31,578,084,297.84
  5. Step 5: Solve for x
    x = 31,578,084,297.84/273,882.80
  6. Step 6: Final answer
    x = 115,297.80

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