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Finding the Fourth Proportional to 302,694.80, 454,042.20 and 255,455.60

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Solution

The fourth proportional to 302,694.80, 454,042.20 and 255,455.60 is: 383,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,694.80 : 454,042.20 = 255,455.60 : x
  2. Step 2: Convert to fraction form
    302,694.80/454,042.20 = 255,455.60/x
  3. Step 3: Cross multiply
    302,694.80x = 454,042.20 × 255,455.60
  4. Step 4: Simplify right side
    302,694.80x = 115,987,622,626.32
  5. Step 5: Solve for x
    x = 115,987,622,626.32/302,694.80
  6. Step 6: Final answer
    x = 383,183.40

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