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Finding the Fourth Proportional to 202,222.70, 303,334.05 and 199,112.30

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Solution

The fourth proportional to 202,222.70, 303,334.05 and 199,112.30 is: 298,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,222.70 : 303,334.05 = 199,112.30 : x
  2. Step 2: Convert to fraction form
    202,222.70/303,334.05 = 199,112.30/x
  3. Step 3: Cross multiply
    202,222.70x = 303,334.05 × 199,112.30
  4. Step 4: Simplify right side
    202,222.70x = 60,397,540,363.82
  5. Step 5: Solve for x
    x = 60,397,540,363.82/202,222.70
  6. Step 6: Final answer
    x = 298,668.45

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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.