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Finding the Fourth Proportional to 305,960.93, 422,199.68 and 169,992.41

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Solution

The fourth proportional to 305,960.93, 422,199.68 and 169,992.41 is: 234,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,960.93 : 422,199.68 = 169,992.41 : x
  2. Step 2: Convert to fraction form
    305,960.93/422,199.68 = 169,992.41/x
  3. Step 3: Cross multiply
    305,960.93x = 422,199.68 × 169,992.41
  4. Step 4: Simplify right side
    305,960.93x = 71,770,741,104.43
  5. Step 5: Solve for x
    x = 71,770,741,104.43/305,960.93
  6. Step 6: Final answer
    x = 234,574.86

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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.