Home / 263,155.11-394,859.03-206,643.03

Finding the Fourth Proportional to 263,155.11, 394,859.03 and 206,643.03

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Solution

The fourth proportional to 263,155.11, 394,859.03 and 206,643.03 is: 310,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,155.11 : 394,859.03 = 206,643.03 : x
  2. Step 2: Convert to fraction form
    263,155.11/394,859.03 = 206,643.03/x
  3. Step 3: Cross multiply
    263,155.11x = 394,859.03 × 206,643.03
  4. Step 4: Simplify right side
    263,155.11x = 81,594,865,348.85
  5. Step 5: Solve for x
    x = 81,594,865,348.85/263,155.11
  6. Step 6: Final answer
    x = 310,063.77

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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.