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Finding the Fourth Proportional to 222,093, 306,488.34 and 121,493.16

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Solution

The fourth proportional to 222,093, 306,488.34 and 121,493.16 is: 167,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,093 : 306,488.34 = 121,493.16 : x
  2. Step 2: Convert to fraction form
    222,093/306,488.34 = 121,493.16/x
  3. Step 3: Cross multiply
    222,093x = 306,488.34 × 121,493.16
  4. Step 4: Simplify right side
    222,093x = 37,236,236,929.75
  5. Step 5: Solve for x
    x = 37,236,236,929.75/222,093
  6. Step 6: Final answer
    x = 167,660.56

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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.