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Finding the Fourth Proportional to 404,163.96, 557,778.06 and 222,892.44

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Solution

The fourth proportional to 404,163.96, 557,778.06 and 222,892.44 is: 307,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,163.96 : 557,778.06 = 222,892.44 : x
  2. Step 2: Convert to fraction form
    404,163.96/557,778.06 = 222,892.44/x
  3. Step 3: Cross multiply
    404,163.96x = 557,778.06 × 222,892.44
  4. Step 4: Simplify right side
    404,163.96x = 124,324,512,771.87
  5. Step 5: Solve for x
    x = 124,324,512,771.87/404,163.96
  6. Step 6: Final answer
    x = 307,609.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.