Finding the Fourth Proportional to 193,939.92, 267,631.93 and 107,894.53
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Solution
The fourth proportional to 193,939.92, 267,631.93 and 107,894.53 is: 148,891.58
Step by Step Solution
- Step 1: Write the proportion equation
193,939.92 : 267,631.93 = 107,894.53 : x - Step 2: Convert to fraction form
193,939.92/267,631.93 = 107,894.53/x - Step 3: Cross multiply
193,939.92x = 267,631.93 × 107,894.53 - Step 4: Simplify right side
193,939.92x = 28,876,021,769.75 - Step 5: Solve for x
x = 28,876,021,769.75/193,939.92 - Step 6: Final answer
x = 148,891.58
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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.