Home / 263,282.27-394,681.12-143,163.73

Finding the Fourth Proportional to 263,282.27, 394,681.12 and 143,163.73

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Solution

The fourth proportional to 263,282.27, 394,681.12 and 143,163.73 is: 214,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,282.27 : 394,681.12 = 143,163.73 : x
  2. Step 2: Convert to fraction form
    263,282.27/394,681.12 = 143,163.73/x
  3. Step 3: Cross multiply
    263,282.27x = 394,681.12 × 143,163.73
  4. Step 4: Simplify right side
    263,282.27x = 56,504,021,299.78
  5. Step 5: Solve for x
    x = 56,504,021,299.78/263,282.27
  6. Step 6: Final answer
    x = 214,613.85

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1.5x scale

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.