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Finding the Fourth Proportional to 256,684.29, 384,997.00 and 67,162.97

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Solution

The fourth proportional to 256,684.29, 384,997.00 and 67,162.97 is: 100,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,684.29 : 384,997.00 = 67,162.97 : x
  2. Step 2: Convert to fraction form
    256,684.29/384,997.00 = 67,162.97/x
  3. Step 3: Cross multiply
    256,684.29x = 384,997.00 × 67,162.97
  4. Step 4: Simplify right side
    256,684.29x = 25,857,542,881.61
  5. Step 5: Solve for x
    x = 25,857,542,881.61/256,684.29
  6. Step 6: Final answer
    x = 100,736.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.