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Finding the Fourth Proportional to 496,324.44, 744,185.99 and 222,720.47

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Solution

The fourth proportional to 496,324.44, 744,185.99 and 222,720.47 is: 333,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,324.44 : 744,185.99 = 222,720.47 : x
  2. Step 2: Convert to fraction form
    496,324.44/744,185.99 = 222,720.47/x
  3. Step 3: Cross multiply
    496,324.44x = 744,185.99 × 222,720.47
  4. Step 4: Simplify right side
    496,324.44x = 165,745,449,739.29
  5. Step 5: Solve for x
    x = 165,745,449,739.29/496,324.44
  6. Step 6: Final answer
    x = 333,945.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.