Home / 259,028.45-388,764.09-101,367.62

Finding the Fourth Proportional to 259,028.45, 388,764.09 and 101,367.62

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Solution

The fourth proportional to 259,028.45, 388,764.09 and 101,367.62 is: 152,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,028.45 : 388,764.09 = 101,367.62 : x
  2. Step 2: Convert to fraction form
    259,028.45/388,764.09 = 101,367.62/x
  3. Step 3: Cross multiply
    259,028.45x = 388,764.09 × 101,367.62
  4. Step 4: Simplify right side
    259,028.45x = 39,408,088,600.95
  5. Step 5: Solve for x
    x = 39,408,088,600.95/259,028.45
  6. Step 6: Final answer
    x = 152,138.07

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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.