Finding the Fourth Proportional to 207,511.29, 311,546.79 and 132,777.31
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Solution
The fourth proportional to 207,511.29, 311,546.79 and 132,777.31 is: 199,345.03
Step by Step Solution
- Step 1: Write the proportion equation
207,511.29 : 311,546.79 = 132,777.31 : x - Step 2: Convert to fraction form
207,511.29/311,546.79 = 132,777.31/x - Step 3: Cross multiply
207,511.29x = 311,546.79 × 132,777.31 - Step 4: Simplify right side
207,511.29x = 41,366,344,715.33 - Step 5: Solve for x
x = 41,366,344,715.33/207,511.29 - Step 6: Final answer
x = 199,345.03
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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.