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Finding the Fourth Proportional to 222,674.67, 307,310.40 and 122,092.11

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Solution

The fourth proportional to 222,674.67, 307,310.40 and 122,092.11 is: 168,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,674.67 : 307,310.40 = 122,092.11 : x
  2. Step 2: Convert to fraction form
    222,674.67/307,310.40 = 122,092.11/x
  3. Step 3: Cross multiply
    222,674.67x = 307,310.40 × 122,092.11
  4. Step 4: Simplify right side
    222,674.67x = 37,520,175,160.94
  5. Step 5: Solve for x
    x = 37,520,175,160.94/222,674.67
  6. Step 6: Final answer
    x = 168,497.72

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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.