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Finding the Fourth Proportional to 222,229.73, 306,552.25 and 136,230.28

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Solution

The fourth proportional to 222,229.73, 306,552.25 and 136,230.28 is: 187,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,229.73 : 306,552.25 = 136,230.28 : x
  2. Step 2: Convert to fraction form
    222,229.73/306,552.25 = 136,230.28/x
  3. Step 3: Cross multiply
    222,229.73x = 306,552.25 × 136,230.28
  4. Step 4: Simplify right side
    222,229.73x = 41,761,698,351.92
  5. Step 5: Solve for x
    x = 41,761,698,351.92/222,229.73
  6. Step 6: Final answer
    x = 187,921.30

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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.