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Finding the Fourth Proportional to 202,082.30, 303,123.45 and 123,350.30

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Solution

The fourth proportional to 202,082.30, 303,123.45 and 123,350.30 is: 185,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,082.30 : 303,123.45 = 123,350.30 : x
  2. Step 2: Convert to fraction form
    202,082.30/303,123.45 = 123,350.30/x
  3. Step 3: Cross multiply
    202,082.30x = 303,123.45 × 123,350.30
  4. Step 4: Simplify right side
    202,082.30x = 37,390,368,494.54
  5. Step 5: Solve for x
    x = 37,390,368,494.54/202,082.30
  6. Step 6: Final answer
    x = 185,025.45

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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.