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Finding the Fourth Proportional to 372,238.80, 558,358.20 and 222,939.60

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Solution

The fourth proportional to 372,238.80, 558,358.20 and 222,939.60 is: 334,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,238.80 : 558,358.20 = 222,939.60 : x
  2. Step 2: Convert to fraction form
    372,238.80/558,358.20 = 222,939.60/x
  3. Step 3: Cross multiply
    372,238.80x = 558,358.20 × 222,939.60
  4. Step 4: Simplify right side
    372,238.80x = 124,480,153,764.72
  5. Step 5: Solve for x
    x = 124,480,153,764.72/372,238.80
  6. Step 6: Final answer
    x = 334,409.40

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