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Finding the Fourth Proportional to 440,104.76, 660,079.11 and 200,162.46

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Solution

The fourth proportional to 440,104.76, 660,079.11 and 200,162.46 is: 300,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,104.76 : 660,079.11 = 200,162.46 : x
  2. Step 2: Convert to fraction form
    440,104.76/660,079.11 = 200,162.46/x
  3. Step 3: Cross multiply
    440,104.76x = 660,079.11 × 200,162.46
  4. Step 4: Simplify right side
    440,104.76x = 132,123,058,452.21
  5. Step 5: Solve for x
    x = 132,123,058,452.21/440,104.76
  6. Step 6: Final answer
    x = 300,208.20

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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.