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Finding the Fourth Proportional to 312,092.20, 468,138.30 and 192,244.60

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Solution

The fourth proportional to 312,092.20, 468,138.30 and 192,244.60 is: 288,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,092.20 : 468,138.30 = 192,244.60 : x
  2. Step 2: Convert to fraction form
    312,092.20/468,138.30 = 192,244.60/x
  3. Step 3: Cross multiply
    312,092.20x = 468,138.30 × 192,244.60
  4. Step 4: Simplify right side
    312,092.20x = 89,997,060,228.18
  5. Step 5: Solve for x
    x = 89,997,060,228.18/312,092.20
  6. Step 6: Final answer
    x = 288,366.90

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