Home / 263,015.20-394,231.20-144,771.40

Finding the Fourth Proportional to 263,015.20, 394,231.20 and 144,771.40

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Solution

The fourth proportional to 263,015.20, 394,231.20 and 144,771.40 is: 216,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,015.20 : 394,231.20 = 144,771.40 : x
  2. Step 2: Convert to fraction form
    263,015.20/394,231.20 = 144,771.40/x
  3. Step 3: Cross multiply
    263,015.20x = 394,231.20 × 144,771.40
  4. Step 4: Simplify right side
    263,015.20x = 57,073,402,747.68
  5. Step 5: Solve for x
    x = 57,073,402,747.68/263,015.20
  6. Step 6: Final answer
    x = 216,996.59

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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.