Finding the Fourth Proportional to 379,163.16, 568,743.12 and 154,473.48
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Solution
The fourth proportional to 379,163.16, 568,743.12 and 154,473.48 is: 231,709.56
Step by Step Solution
- Step 1: Write the proportion equation
379,163.16 : 568,743.12 = 154,473.48 : x - Step 2: Convert to fraction form
379,163.16/568,743.12 = 154,473.48/x - Step 3: Cross multiply
379,163.16x = 568,743.12 × 154,473.48 - Step 4: Simplify right side
379,163.16x = 87,855,728,972.46 - Step 5: Solve for x
x = 87,855,728,972.46/379,163.16 - Step 6: Final answer
x = 231,709.56
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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.