Finding the Fourth Proportional to 311,514.26, 467,310.28 and 121,950.14
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Solution
The fourth proportional to 311,514.26, 467,310.28 and 121,950.14 is: 182,940.43
Step by Step Solution
- Step 1: Write the proportion equation
311,514.26 : 467,310.28 = 121,950.14 : x - Step 2: Convert to fraction form
311,514.26/467,310.28 = 121,950.14/x - Step 3: Cross multiply
311,514.26x = 467,310.28 × 121,950.14 - Step 4: Simplify right side
311,514.26x = 56,988,554,069.44 - Step 5: Solve for x
x = 56,988,554,069.44/311,514.26 - Step 6: Final answer
x = 182,940.43
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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.