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Finding the Fourth Proportional to 220,467.80, 330,831.30 and 80,240.60

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Solution

The fourth proportional to 220,467.80, 330,831.30 and 80,240.60 is: 120,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,467.80 : 330,831.30 = 80,240.60 : x
  2. Step 2: Convert to fraction form
    220,467.80/330,831.30 = 80,240.60/x
  3. Step 3: Cross multiply
    220,467.80x = 330,831.30 × 80,240.60
  4. Step 4: Simplify right side
    220,467.80x = 26,546,102,010.78
  5. Step 5: Solve for x
    x = 26,546,102,010.78/220,467.80
  6. Step 6: Final answer
    x = 120,408.07

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