Home / 240,276.71-360,377.24-80,351.42

Finding the Fourth Proportional to 240,276.71, 360,377.24 and 80,351.42

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Solution

The fourth proportional to 240,276.71, 360,377.24 and 80,351.42 is: 120,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,276.71 : 360,377.24 = 80,351.42 : x
  2. Step 2: Convert to fraction form
    240,276.71/360,377.24 = 80,351.42/x
  3. Step 3: Cross multiply
    240,276.71x = 360,377.24 × 80,351.42
  4. Step 4: Simplify right side
    240,276.71x = 28,956,820,766.04
  5. Step 5: Solve for x
    x = 28,956,820,766.04/240,276.71
  6. Step 6: Final answer
    x = 120,514.47

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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.