Finding the Fourth Proportional to 215,972.26, 298,049.84 and 120,497.41
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Solution
The fourth proportional to 215,972.26, 298,049.84 and 120,497.41 is: 166,290.96
Step by Step Solution
- Step 1: Write the proportion equation
215,972.26 : 298,049.84 = 120,497.41 : x - Step 2: Convert to fraction form
215,972.26/298,049.84 = 120,497.41/x - Step 3: Cross multiply
215,972.26x = 298,049.84 × 120,497.41 - Step 4: Simplify right side
215,972.26x = 35,914,233,770.91 - Step 5: Solve for x
x = 35,914,233,770.91/215,972.26 - Step 6: Final answer
x = 166,290.96
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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.