Finding the Fourth Proportional to 327,716.68, 491,074.26 and 220,704.94
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Solution
The fourth proportional to 327,716.68, 491,074.26 and 220,704.94 is: 330,720.17
Step by Step Solution
- Step 1: Write the proportion equation
327,716.68 : 491,074.26 = 220,704.94 : x - Step 2: Convert to fraction form
327,716.68/491,074.26 = 220,704.94/x - Step 3: Cross multiply
327,716.68x = 491,074.26 × 220,704.94 - Step 4: Simplify right side
327,716.68x = 108,382,515,088.84 - Step 5: Solve for x
x = 108,382,515,088.84/327,716.68 - Step 6: Final answer
x = 330,720.17
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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.