Finding the Fourth Proportional to 198,245.71, 273,578.39 and 107,601.68
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Solution
The fourth proportional to 198,245.71, 273,578.39 and 107,601.68 is: 148,489.94
Step by Step Solution
- Step 1: Write the proportion equation
198,245.71 : 273,578.39 = 107,601.68 : x - Step 2: Convert to fraction form
198,245.71/273,578.39 = 107,601.68/x - Step 3: Cross multiply
198,245.71x = 273,578.39 × 107,601.68 - Step 4: Simplify right side
198,245.71x = 29,437,494,375.70 - Step 5: Solve for x
x = 29,437,494,375.70/198,245.71 - Step 6: Final answer
x = 148,489.94
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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.