Home / 259,934.22-389,898.23-82,442.75

Finding the Fourth Proportional to 259,934.22, 389,898.23 and 82,442.75

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Solution

The fourth proportional to 259,934.22, 389,898.23 and 82,442.75 is: 123,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,934.22 : 389,898.23 = 82,442.75 : x
  2. Step 2: Convert to fraction form
    259,934.22/389,898.23 = 82,442.75/x
  3. Step 3: Cross multiply
    259,934.22x = 389,898.23 × 82,442.75
  4. Step 4: Simplify right side
    259,934.22x = 32,144,279,939.63
  5. Step 5: Solve for x
    x = 32,144,279,939.63/259,934.22
  6. Step 6: Final answer
    x = 123,663.13

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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.