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Finding the Fourth Proportional to 326,082.80, 488,881.20 and 168,424.40

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Solution

The fourth proportional to 326,082.80, 488,881.20 and 168,424.40 is: 252,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,082.80 : 488,881.20 = 168,424.40 : x
  2. Step 2: Convert to fraction form
    326,082.80/488,881.20 = 168,424.40/x
  3. Step 3: Cross multiply
    326,082.80x = 488,881.20 × 168,424.40
  4. Step 4: Simplify right side
    326,082.80x = 82,339,522,781.28
  5. Step 5: Solve for x
    x = 82,339,522,781.28/326,082.80
  6. Step 6: Final answer
    x = 252,511.09

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