Home / 263,281.27-394,679.62-143,162.73

Finding the Fourth Proportional to 263,281.27, 394,679.62 and 143,162.73

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Solution

The fourth proportional to 263,281.27, 394,679.62 and 143,162.73 is: 214,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,281.27 : 394,679.62 = 143,162.73 : x
  2. Step 2: Convert to fraction form
    263,281.27/394,679.62 = 143,162.73/x
  3. Step 3: Cross multiply
    263,281.27x = 394,679.62 × 143,162.73
  4. Step 4: Simplify right side
    263,281.27x = 56,503,411,874.56
  5. Step 5: Solve for x
    x = 56,503,411,874.56/263,281.27
  6. Step 6: Final answer
    x = 214,612.35

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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.