Finding the Fourth Proportional to 351,414.24, 484,921.85 and 206,205.03
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Solution
The fourth proportional to 351,414.24, 484,921.85 and 206,205.03 is: 284,545.45
Step by Step Solution
- Step 1: Write the proportion equation
351,414.24 : 484,921.85 = 206,205.03 : x - Step 2: Convert to fraction form
351,414.24/484,921.85 = 206,205.03/x - Step 3: Cross multiply
351,414.24x = 484,921.85 × 206,205.03 - Step 4: Simplify right side
351,414.24x = 99,993,324,626.91 - Step 5: Solve for x
x = 99,993,324,626.91/351,414.24 - Step 6: Final answer
x = 284,545.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.