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Finding the Fourth Proportional to 337,638.72, 506,271.11 and 138,099.22

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Solution

The fourth proportional to 337,638.72, 506,271.11 and 138,099.22 is: 207,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,638.72 : 506,271.11 = 138,099.22 : x
  2. Step 2: Convert to fraction form
    337,638.72/506,271.11 = 138,099.22/x
  3. Step 3: Cross multiply
    337,638.72x = 506,271.11 × 138,099.22
  4. Step 4: Simplify right side
    337,638.72x = 69,915,645,399.53
  5. Step 5: Solve for x
    x = 69,915,645,399.53/337,638.72
  6. Step 6: Final answer
    x = 207,072.36

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