Home / 262,249.38-392,922.09-206,446.86

Finding the Fourth Proportional to 262,249.38, 392,922.09 and 206,446.86

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Solution

The fourth proportional to 262,249.38, 392,922.09 and 206,446.86 is: 309,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,249.38 : 392,922.09 = 206,446.86 : x
  2. Step 2: Convert to fraction form
    262,249.38/392,922.09 = 206,446.86/x
  3. Step 3: Cross multiply
    262,249.38x = 392,922.09 × 206,446.86
  4. Step 4: Simplify right side
    262,249.38x = 81,117,531,705.14
  5. Step 5: Solve for x
    x = 81,117,531,705.14/262,249.38
  6. Step 6: Final answer
    x = 309,314.48

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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.