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Finding the Fourth Proportional to 216,442.80, 324,664.20 and 200,696.40

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Solution

The fourth proportional to 216,442.80, 324,664.20 and 200,696.40 is: 301,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,442.80 : 324,664.20 = 200,696.40 : x
  2. Step 2: Convert to fraction form
    216,442.80/324,664.20 = 200,696.40/x
  3. Step 3: Cross multiply
    216,442.80x = 324,664.20 × 200,696.40
  4. Step 4: Simplify right side
    216,442.80x = 65,158,936,148.88
  5. Step 5: Solve for x
    x = 65,158,936,148.88/216,442.80
  6. Step 6: Final answer
    x = 301,044.60

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