Home / 324,514.26-486,945.65-135,105.37

Finding the Fourth Proportional to 324,514.26, 486,945.65 and 135,105.37

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Solution

The fourth proportional to 324,514.26, 486,945.65 and 135,105.37 is: 202,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,514.26 : 486,945.65 = 135,105.37 : x
  2. Step 2: Convert to fraction form
    324,514.26/486,945.65 = 135,105.37/x
  3. Step 3: Cross multiply
    324,514.26x = 486,945.65 × 135,105.37
  4. Step 4: Simplify right side
    324,514.26x = 65,788,971,333.54
  5. Step 5: Solve for x
    x = 65,788,971,333.54/324,514.26
  6. Step 6: Final answer
    x = 202,730.60

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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.