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Finding the Fourth Proportional to 222,099.39, 306,497.22 and 125,323.78

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Solution

The fourth proportional to 222,099.39, 306,497.22 and 125,323.78 is: 172,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,099.39 : 306,497.22 = 125,323.78 : x
  2. Step 2: Convert to fraction form
    222,099.39/306,497.22 = 125,323.78/x
  3. Step 3: Cross multiply
    222,099.39x = 306,497.22 × 125,323.78
  4. Step 4: Simplify right side
    222,099.39x = 38,411,390,370.39
  5. Step 5: Solve for x
    x = 38,411,390,370.39/222,099.39
  6. Step 6: Final answer
    x = 172,946.85

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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.