Home / 259,743.45-389,627.33-82,264.35

Finding the Fourth Proportional to 259,743.45, 389,627.33 and 82,264.35

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Solution

The fourth proportional to 259,743.45, 389,627.33 and 82,264.35 is: 123,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,743.45 : 389,627.33 = 82,264.35 : x
  2. Step 2: Convert to fraction form
    259,743.45/389,627.33 = 82,264.35/x
  3. Step 3: Cross multiply
    259,743.45x = 389,627.33 × 82,264.35
  4. Step 4: Simplify right side
    259,743.45x = 32,052,438,633.36
  5. Step 5: Solve for x
    x = 32,052,438,633.36/259,743.45
  6. Step 6: Final answer
    x = 123,400.37

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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.