Finding the Fourth Proportional to 151,520.49, 227,231.53 and 71,546.09
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Solution
The fourth proportional to 151,520.49, 227,231.53 and 71,546.09 is: 107,295.89
Step by Step Solution
- Step 1: Write the proportion equation
151,520.49 : 227,231.53 = 71,546.09 : x - Step 2: Convert to fraction form
151,520.49/227,231.53 = 71,546.09/x - Step 3: Cross multiply
151,520.49x = 227,231.53 × 71,546.09 - Step 4: Simplify right side
151,520.49x = 16,257,526,181.19 - Step 5: Solve for x
x = 16,257,526,181.19/151,520.49 - Step 6: Final answer
x = 107,295.89
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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.