Home / 259,822.70-389,734.06-207,334.70

Finding the Fourth Proportional to 259,822.70, 389,734.06 and 207,334.70

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Solution

The fourth proportional to 259,822.70, 389,734.06 and 207,334.70 is: 311,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,822.70 : 389,734.06 = 207,334.70 : x
  2. Step 2: Convert to fraction form
    259,822.70/389,734.06 = 207,334.70/x
  3. Step 3: Cross multiply
    259,822.70x = 389,734.06 × 207,334.70
  4. Step 4: Simplify right side
    259,822.70x = 80,805,394,409.88
  5. Step 5: Solve for x
    x = 80,805,394,409.88/259,822.70
  6. Step 6: Final answer
    x = 311,002.06

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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.