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Finding the Fourth Proportional to 360,073.86, 496,911.96 and 198,939.30

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Solution

The fourth proportional to 360,073.86, 496,911.96 and 198,939.30 is: 274,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,073.86 : 496,911.96 = 198,939.30 : x
  2. Step 2: Convert to fraction form
    360,073.86/496,911.96 = 198,939.30/x
  3. Step 3: Cross multiply
    360,073.86x = 496,911.96 × 198,939.30
  4. Step 4: Simplify right side
    360,073.86x = 98,855,317,484.03
  5. Step 5: Solve for x
    x = 98,855,317,484.03/360,073.86
  6. Step 6: Final answer
    x = 274,541.78

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