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Finding the Fourth Proportional to 375,683.68, 518,439.72 and 205,920.64

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Solution

The fourth proportional to 375,683.68, 518,439.72 and 205,920.64 is: 284,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,683.68 : 518,439.72 = 205,920.64 : x
  2. Step 2: Convert to fraction form
    375,683.68/518,439.72 = 205,920.64/x
  3. Step 3: Cross multiply
    375,683.68x = 518,439.72 × 205,920.64
  4. Step 4: Simplify right side
    375,683.68x = 106,757,438,943.82
  5. Step 5: Solve for x
    x = 106,757,438,943.82/375,683.68
  6. Step 6: Final answer
    x = 284,168.42

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