Finding the Fourth Proportional to 207,504.06, 311,299.83 and 67,251.75
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Solution
The fourth proportional to 207,504.06, 311,299.83 and 67,251.75 is: 100,891.80
Step by Step Solution
- Step 1: Write the proportion equation
207,504.06 : 311,299.83 = 67,251.75 : x - Step 2: Convert to fraction form
207,504.06/311,299.83 = 67,251.75/x - Step 3: Cross multiply
207,504.06x = 311,299.83 × 67,251.75 - Step 4: Simplify right side
207,504.06x = 20,935,458,342.20 - Step 5: Solve for x
x = 20,935,458,342.20/207,504.06 - Step 6: Final answer
x = 100,891.80
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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.