Home / 279,761.25-419,725.38-263,051.49

Finding the Fourth Proportional to 279,761.25, 419,725.38 and 263,051.49

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Solution

The fourth proportional to 279,761.25, 419,725.38 and 263,051.49 is: 394,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,761.25 : 419,725.38 = 263,051.49 : x
  2. Step 2: Convert to fraction form
    279,761.25/419,725.38 = 263,051.49/x
  3. Step 3: Cross multiply
    279,761.25x = 419,725.38 × 263,051.49
  4. Step 4: Simplify right side
    279,761.25x = 110,409,386,599.82
  5. Step 5: Solve for x
    x = 110,409,386,599.82/279,761.25
  6. Step 6: Final answer
    x = 394,655.75

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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.