Finding the Fourth Proportional to 202,217.20, 303,447.30 and 83,876.20
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Solution
The fourth proportional to 202,217.20, 303,447.30 and 83,876.20 is: 125,864.70
Step by Step Solution
- Step 1: Write the proportion equation
202,217.20 : 303,447.30 = 83,876.20 : x - Step 2: Convert to fraction form
202,217.20/303,447.30 = 83,876.20/x - Step 3: Cross multiply
202,217.20x = 303,447.30 × 83,876.20 - Step 4: Simplify right side
202,217.20x = 25,452,006,424.26 - Step 5: Solve for x
x = 25,452,006,424.26/202,217.20 - Step 6: Final answer
x = 125,864.70
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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.