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Finding the Fourth Proportional to 363,520.80, 545,216.40 and 230,162.40

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Solution

The fourth proportional to 363,520.80, 545,216.40 and 230,162.40 is: 345,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,520.80 : 545,216.40 = 230,162.40 : x
  2. Step 2: Convert to fraction form
    363,520.80/545,216.40 = 230,162.40/x
  3. Step 3: Cross multiply
    363,520.80x = 545,216.40 × 230,162.40
  4. Step 4: Simplify right side
    363,520.80x = 125,488,315,143.36
  5. Step 5: Solve for x
    x = 125,488,315,143.36/363,520.80
  6. Step 6: Final answer
    x = 345,202.57

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