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Finding the Fourth Proportional to 329,767.40, 495,234.30 and 255,069.20

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Solution

The fourth proportional to 329,767.40, 495,234.30 and 255,069.20 is: 383,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,767.40 : 495,234.30 = 255,069.20 : x
  2. Step 2: Convert to fraction form
    329,767.40/495,234.30 = 255,069.20/x
  3. Step 3: Cross multiply
    329,767.40x = 495,234.30 × 255,069.20
  4. Step 4: Simplify right side
    329,767.40x = 126,319,016,713.56
  5. Step 5: Solve for x
    x = 126,319,016,713.56/329,767.40
  6. Step 6: Final answer
    x = 383,054.89

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