Home / 263,278.27-394,675.12-143,159.73

Finding the Fourth Proportional to 263,278.27, 394,675.12 and 143,159.73

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Solution

The fourth proportional to 263,278.27, 394,675.12 and 143,159.73 is: 214,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,278.27 : 394,675.12 = 143,159.73 : x
  2. Step 2: Convert to fraction form
    263,278.27/394,675.12 = 143,159.73/x
  3. Step 3: Cross multiply
    263,278.27x = 394,675.12 × 143,159.73
  4. Step 4: Simplify right side
    263,278.27x = 56,501,583,616.92
  5. Step 5: Solve for x
    x = 56,501,583,616.92/263,278.27
  6. Step 6: Final answer
    x = 214,607.85

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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.