Home / 263,249.40-363,282.76-142,390.56

Finding the Fourth Proportional to 263,249.40, 363,282.76 and 142,390.56

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Solution

The fourth proportional to 263,249.40, 363,282.76 and 142,390.56 is: 196,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,249.40 : 363,282.76 = 142,390.56 : x
  2. Step 2: Convert to fraction form
    263,249.40/363,282.76 = 142,390.56/x
  3. Step 3: Cross multiply
    263,249.40x = 363,282.76 × 142,390.56
  4. Step 4: Simplify right side
    263,249.40x = 51,728,035,634.75
  5. Step 5: Solve for x
    x = 51,728,035,634.75/263,249.40
  6. Step 6: Final answer
    x = 196,498.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.