Home / 263,274.30-394,911.45-259,337.70

Finding the Fourth Proportional to 263,274.30, 394,911.45 and 259,337.70

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Solution

The fourth proportional to 263,274.30, 394,911.45 and 259,337.70 is: 389,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,274.30 : 394,911.45 = 259,337.70 : x
  2. Step 2: Convert to fraction form
    263,274.30/394,911.45 = 259,337.70/x
  3. Step 3: Cross multiply
    263,274.30x = 394,911.45 × 259,337.70
  4. Step 4: Simplify right side
    263,274.30x = 102,415,427,146.67
  5. Step 5: Solve for x
    x = 102,415,427,146.67/263,274.30
  6. Step 6: Final answer
    x = 389,006.55

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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.