Home / 259,837.20-389,751.55-82,343.93

Finding the Fourth Proportional to 259,837.20, 389,751.55 and 82,343.93

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Solution

The fourth proportional to 259,837.20, 389,751.55 and 82,343.93 is: 123,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,837.20 : 389,751.55 = 82,343.93 : x
  2. Step 2: Convert to fraction form
    259,837.20/389,751.55 = 82,343.93/x
  3. Step 3: Cross multiply
    259,837.20x = 389,751.55 × 82,343.93
  4. Step 4: Simplify right side
    259,837.20x = 32,093,672,195.97
  5. Step 5: Solve for x
    x = 32,093,672,195.97/259,837.20
  6. Step 6: Final answer
    x = 123,514.54

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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.