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Finding the Fourth Proportional to 303,310.20, 454,965.30 and 92,920.80

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Solution

The fourth proportional to 303,310.20, 454,965.30 and 92,920.80 is: 139,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,310.20 : 454,965.30 = 92,920.80 : x
  2. Step 2: Convert to fraction form
    303,310.20/454,965.30 = 92,920.80/x
  3. Step 3: Cross multiply
    303,310.20x = 454,965.30 × 92,920.80
  4. Step 4: Simplify right side
    303,310.20x = 42,275,739,648.24
  5. Step 5: Solve for x
    x = 42,275,739,648.24/303,310.20
  6. Step 6: Final answer
    x = 139,381.20

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