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Finding the Fourth Proportional to 199,249.74, 298,711.74 and 92,700.12

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Solution

The fourth proportional to 199,249.74, 298,711.74 and 92,700.12 is: 138,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,249.74 : 298,711.74 = 92,700.12 : x
  2. Step 2: Convert to fraction form
    199,249.74/298,711.74 = 92,700.12/x
  3. Step 3: Cross multiply
    199,249.74x = 298,711.74 × 92,700.12
  4. Step 4: Simplify right side
    199,249.74x = 27,690,614,143.41
  5. Step 5: Solve for x
    x = 27,690,614,143.41/199,249.74
  6. Step 6: Final answer
    x = 138,974.41

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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.