Finding the Fourth Proportional to 202,591.51, 303,939.82 and 107,743.70
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Solution
The fourth proportional to 202,591.51, 303,939.82 and 107,743.70 is: 161,643.50
Step by Step Solution
- Step 1: Write the proportion equation
202,591.51 : 303,939.82 = 107,743.70 : x - Step 2: Convert to fraction form
202,591.51/303,939.82 = 107,743.70/x - Step 3: Cross multiply
202,591.51x = 303,939.82 × 107,743.70 - Step 4: Simplify right side
202,591.51x = 32,747,601,274.62 - Step 5: Solve for x
x = 32,747,601,274.62/202,591.51 - Step 6: Final answer
x = 161,643.50
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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.