Home / 259,373.91-389,028.06-69,849.41

Finding the Fourth Proportional to 259,373.91, 389,028.06 and 69,849.41

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Solution

The fourth proportional to 259,373.91, 389,028.06 and 69,849.41 is: 104,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,373.91 : 389,028.06 = 69,849.41 : x
  2. Step 2: Convert to fraction form
    259,373.91/389,028.06 = 69,849.41/x
  3. Step 3: Cross multiply
    259,373.91x = 389,028.06 × 69,849.41
  4. Step 4: Simplify right side
    259,373.91x = 27,173,378,519.30
  5. Step 5: Solve for x
    x = 27,173,378,519.30/259,373.91
  6. Step 6: Final answer
    x = 104,765.27

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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.