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Finding the Fourth Proportional to 446,453.80, 669,680.70 and 150,965.80

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Solution

The fourth proportional to 446,453.80, 669,680.70 and 150,965.80 is: 226,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,453.80 : 669,680.70 = 150,965.80 : x
  2. Step 2: Convert to fraction form
    446,453.80/669,680.70 = 150,965.80/x
  3. Step 3: Cross multiply
    446,453.80x = 669,680.70 × 150,965.80
  4. Step 4: Simplify right side
    446,453.80x = 101,098,882,620.06
  5. Step 5: Solve for x
    x = 101,098,882,620.06/446,453.80
  6. Step 6: Final answer
    x = 226,448.70

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Similar ratio
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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.