Finding the Fourth Proportional to 203,939.62, 306,013.09 and 91,596.93
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Solution
The fourth proportional to 203,939.62, 306,013.09 and 91,596.93 is: 137,441.94
Step by Step Solution
- Step 1: Write the proportion equation
203,939.62 : 306,013.09 = 91,596.93 : x - Step 2: Convert to fraction form
203,939.62/306,013.09 = 91,596.93/x - Step 3: Cross multiply
203,939.62x = 306,013.09 × 91,596.93 - Step 4: Simplify right side
203,939.62x = 28,029,858,379.02 - Step 5: Solve for x
x = 28,029,858,379.02/203,939.62 - Step 6: Final answer
x = 137,441.94
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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.