Home / 259,778.14-389,375.81-169,993.59

Finding the Fourth Proportional to 259,778.14, 389,375.81 and 169,993.59

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Solution

The fourth proportional to 259,778.14, 389,375.81 and 169,993.59 is: 254,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,778.14 : 389,375.81 = 169,993.59 : x
  2. Step 2: Convert to fraction form
    259,778.14/389,375.81 = 169,993.59/x
  3. Step 3: Cross multiply
    259,778.14x = 389,375.81 × 169,993.59
  4. Step 4: Simplify right side
    259,778.14x = 66,191,390,128.41
  5. Step 5: Solve for x
    x = 66,191,390,128.41/259,778.14
  6. Step 6: Final answer
    x = 254,799.69

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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.