Finding the Fourth Proportional to 226,586.67, 312,728.75 and 131,145.99
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Solution
The fourth proportional to 226,586.67, 312,728.75 and 131,145.99 is: 181,004.12
Step by Step Solution
- Step 1: Write the proportion equation
226,586.67 : 312,728.75 = 131,145.99 : x - Step 2: Convert to fraction form
226,586.67/312,728.75 = 131,145.99/x - Step 3: Cross multiply
226,586.67x = 312,728.75 × 131,145.99 - Step 4: Simplify right side
226,586.67x = 41,013,121,520.21 - Step 5: Solve for x
x = 41,013,121,520.21/226,586.67 - Step 6: Final answer
x = 181,004.12
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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.