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Finding the Fourth Proportional to 300,166.20, 450,331.22 and 100,519.48

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Solution

The fourth proportional to 300,166.20, 450,331.22 and 100,519.48 is: 150,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,166.20 : 450,331.22 = 100,519.48 : x
  2. Step 2: Convert to fraction form
    300,166.20/450,331.22 = 100,519.48/x
  3. Step 3: Cross multiply
    300,166.20x = 450,331.22 × 100,519.48
  4. Step 4: Simplify right side
    300,166.20x = 45,267,060,062.17
  5. Step 5: Solve for x
    x = 45,267,060,062.17/300,166.20
  6. Step 6: Final answer
    x = 150,806.65

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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.