Home / 231,301.08-346,715.28-131,249.97

Finding the Fourth Proportional to 231,301.08, 346,715.28 and 131,249.97

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Solution

The fourth proportional to 231,301.08, 346,715.28 and 131,249.97 is: 196,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,301.08 : 346,715.28 = 131,249.97 : x
  2. Step 2: Convert to fraction form
    231,301.08/346,715.28 = 131,249.97/x
  3. Step 3: Cross multiply
    231,301.08x = 346,715.28 × 131,249.97
  4. Step 4: Simplify right side
    231,301.08x = 45,506,370,098.54
  5. Step 5: Solve for x
    x = 45,506,370,098.54/231,301.08
  6. Step 6: Final answer
    x = 196,740.85

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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.