Finding the Fourth Proportional to 226,713.87, 312,851.84 and 131,213.79
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Solution
The fourth proportional to 226,713.87, 312,851.84 and 131,213.79 is: 181,067.33
Step by Step Solution
- Step 1: Write the proportion equation
226,713.87 : 312,851.84 = 131,213.79 : x - Step 2: Convert to fraction form
226,713.87/312,851.84 = 131,213.79/x - Step 3: Cross multiply
226,713.87x = 312,851.84 × 131,213.79 - Step 4: Simplify right side
226,713.87x = 41,050,474,978.80 - Step 5: Solve for x
x = 41,050,474,978.80/226,713.87 - Step 6: Final answer
x = 181,067.33
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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.