Finding the Fourth Proportional to 202,207.75, 303,311.64 and 54,463.75
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Solution
The fourth proportional to 202,207.75, 303,311.64 and 54,463.75 is: 81,695.63
Step by Step Solution
- Step 1: Write the proportion equation
202,207.75 : 303,311.64 = 54,463.75 : x - Step 2: Convert to fraction form
202,207.75/303,311.64 = 54,463.75/x - Step 3: Cross multiply
202,207.75x = 303,311.64 × 54,463.75 - Step 4: Simplify right side
202,207.75x = 16,519,489,333.05 - Step 5: Solve for x
x = 16,519,489,333.05/202,207.75 - Step 6: Final answer
x = 81,695.63
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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.