Finding the Fourth Proportional to 242,872.82, 335,163.84 and 135,442.97
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Solution
The fourth proportional to 242,872.82, 335,163.84 and 135,442.97 is: 186,910.94
Step by Step Solution
- Step 1: Write the proportion equation
242,872.82 : 335,163.84 = 135,442.97 : x - Step 2: Convert to fraction form
242,872.82/335,163.84 = 135,442.97/x - Step 3: Cross multiply
242,872.82x = 335,163.84 × 135,442.97 - Step 4: Simplify right side
242,872.82x = 45,395,585,926.20 - Step 5: Solve for x
x = 45,395,585,926.20/242,872.82 - Step 6: Final answer
x = 186,910.94
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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.