Home / 240,433.11-360,668.43-80,509.65

Finding the Fourth Proportional to 240,433.11, 360,668.43 and 80,509.65

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Solution

The fourth proportional to 240,433.11, 360,668.43 and 80,509.65 is: 120,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,433.11 : 360,668.43 = 80,509.65 : x
  2. Step 2: Convert to fraction form
    240,433.11/360,668.43 = 80,509.65/x
  3. Step 3: Cross multiply
    240,433.11x = 360,668.43 × 80,509.65
  4. Step 4: Simplify right side
    240,433.11x = 29,037,289,065.35
  5. Step 5: Solve for x
    x = 29,037,289,065.35/240,433.11
  6. Step 6: Final answer
    x = 120,770.76

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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.