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Finding the Fourth Proportional to 222,049.96, 306,235.28 and 157,391.30

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Solution

The fourth proportional to 222,049.96, 306,235.28 and 157,391.30 is: 217,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,049.96 : 306,235.28 = 157,391.30 : x
  2. Step 2: Convert to fraction form
    222,049.96/306,235.28 = 157,391.30/x
  3. Step 3: Cross multiply
    222,049.96x = 306,235.28 × 157,391.30
  4. Step 4: Simplify right side
    222,049.96x = 48,198,769,984.13
  5. Step 5: Solve for x
    x = 48,198,769,984.13/222,049.96
  6. Step 6: Final answer
    x = 217,062.73

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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.