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Finding the Fourth Proportional to 202,375.74, 303,535.08 and 127,266.90

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Solution

The fourth proportional to 202,375.74, 303,535.08 and 127,266.90 is: 190,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,375.74 : 303,535.08 = 127,266.90 : x
  2. Step 2: Convert to fraction form
    202,375.74/303,535.08 = 127,266.90/x
  3. Step 3: Cross multiply
    202,375.74x = 303,535.08 × 127,266.90
  4. Step 4: Simplify right side
    202,375.74x = 38,629,968,672.85
  5. Step 5: Solve for x
    x = 38,629,968,672.85/202,375.74
  6. Step 6: Final answer
    x = 190,882.41

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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.