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Finding the Fourth Proportional to 403,324.40, 605,044.20 and 137,097.20

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Solution

The fourth proportional to 403,324.40, 605,044.20 and 137,097.20 is: 205,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,324.40 : 605,044.20 = 137,097.20 : x
  2. Step 2: Convert to fraction form
    403,324.40/605,044.20 = 137,097.20/x
  3. Step 3: Cross multiply
    403,324.40x = 605,044.20 × 137,097.20
  4. Step 4: Simplify right side
    403,324.40x = 82,949,865,696.24
  5. Step 5: Solve for x
    x = 82,949,865,696.24/403,324.40
  6. Step 6: Final answer
    x = 205,665.38

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