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Finding the Fourth Proportional to 366,920.20, 550,380.30 and 254,945.80

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Solution

The fourth proportional to 366,920.20, 550,380.30 and 254,945.80 is: 382,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.20 : 550,380.30 = 254,945.80 : x
  2. Step 2: Convert to fraction form
    366,920.20/550,380.30 = 254,945.80/x
  3. Step 3: Cross multiply
    366,920.20x = 550,380.30 × 254,945.80
  4. Step 4: Simplify right side
    366,920.20x = 140,317,145,887.74
  5. Step 5: Solve for x
    x = 140,317,145,887.74/366,920.20
  6. Step 6: Final answer
    x = 382,418.70

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