Home / 259,553.29-389,327.59-82,060.36

Finding the Fourth Proportional to 259,553.29, 389,327.59 and 82,060.36

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Solution

The fourth proportional to 259,553.29, 389,327.59 and 82,060.36 is: 123,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,553.29 : 389,327.59 = 82,060.36 : x
  2. Step 2: Convert to fraction form
    259,553.29/389,327.59 = 82,060.36/x
  3. Step 3: Cross multiply
    259,553.29x = 389,327.59 × 82,060.36
  4. Step 4: Simplify right side
    259,553.29x = 31,948,362,193.33
  5. Step 5: Solve for x
    x = 31,948,362,193.33/259,553.29
  6. Step 6: Final answer
    x = 123,089.80

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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.