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Finding the Fourth Proportional to 330,530.60, 495,449.34 and 161,818.28

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Solution

The fourth proportional to 330,530.60, 495,449.34 and 161,818.28 is: 242,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,530.60 : 495,449.34 = 161,818.28 : x
  2. Step 2: Convert to fraction form
    330,530.60/495,449.34 = 161,818.28/x
  3. Step 3: Cross multiply
    330,530.60x = 495,449.34 × 161,818.28
  4. Step 4: Simplify right side
    330,530.60x = 80,172,760,025.94
  5. Step 5: Solve for x
    x = 80,172,760,025.94/330,530.60
  6. Step 6: Final answer
    x = 242,557.75

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