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Finding the Fourth Proportional to 329,811.64, 455,141.22 and 178,909.72

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Solution

The fourth proportional to 329,811.64, 455,141.22 and 178,909.72 is: 246,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,811.64 : 455,141.22 = 178,909.72 : x
  2. Step 2: Convert to fraction form
    329,811.64/455,141.22 = 178,909.72/x
  3. Step 3: Cross multiply
    329,811.64x = 455,141.22 × 178,909.72
  4. Step 4: Simplify right side
    329,811.64x = 81,429,188,230.66
  5. Step 5: Solve for x
    x = 81,429,188,230.66/329,811.64
  6. Step 6: Final answer
    x = 246,896.04

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