Home / 263,280.27-394,678.12-143,161.73

Finding the Fourth Proportional to 263,280.27, 394,678.12 and 143,161.73

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Solution

The fourth proportional to 263,280.27, 394,678.12 and 143,161.73 is: 214,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,280.27 : 394,678.12 = 143,161.73 : x
  2. Step 2: Convert to fraction form
    263,280.27/394,678.12 = 143,161.73/x
  3. Step 3: Cross multiply
    263,280.27x = 394,678.12 × 143,161.73
  4. Step 4: Simplify right side
    263,280.27x = 56,502,802,452.35
  5. Step 5: Solve for x
    x = 56,502,802,452.35/263,280.27
  6. Step 6: Final answer
    x = 214,610.85

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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.