Home / 259,973.26-389,958.86-82,494.11

Finding the Fourth Proportional to 259,973.26, 389,958.86 and 82,494.11

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Solution

The fourth proportional to 259,973.26, 389,958.86 and 82,494.11 is: 123,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,973.26 : 389,958.86 = 82,494.11 : x
  2. Step 2: Convert to fraction form
    259,973.26/389,958.86 = 82,494.11/x
  3. Step 3: Cross multiply
    259,973.26x = 389,958.86 × 82,494.11
  4. Step 4: Simplify right side
    259,973.26x = 32,169,309,092.31
  5. Step 5: Solve for x
    x = 32,169,309,092.31/259,973.26
  6. Step 6: Final answer
    x = 123,740.84

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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.