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Finding the Fourth Proportional to 222,398.90, 333,773.67 and 82,197.62

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Solution

The fourth proportional to 222,398.90, 333,773.67 and 82,197.62 is: 123,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,398.90 : 333,773.67 = 82,197.62 : x
  2. Step 2: Convert to fraction form
    222,398.90/333,773.67 = 82,197.62/x
  3. Step 3: Cross multiply
    222,398.90x = 333,773.67 × 82,197.62
  4. Step 4: Simplify right side
    222,398.90x = 27,435,401,292.67
  5. Step 5: Solve for x
    x = 27,435,401,292.67/222,398.90
  6. Step 6: Final answer
    x = 123,361.23

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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.