Finding the Fourth Proportional to 227,245.37, 313,626.09 and 131,756.09
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Solution
The fourth proportional to 227,245.37, 313,626.09 and 131,756.09 is: 181,839.34
Step by Step Solution
- Step 1: Write the proportion equation
227,245.37 : 313,626.09 = 131,756.09 : x - Step 2: Convert to fraction form
227,245.37/313,626.09 = 131,756.09/x - Step 3: Cross multiply
227,245.37x = 313,626.09 × 131,756.09 - Step 4: Simplify right side
227,245.37x = 41,322,147,340.39 - Step 5: Solve for x
x = 41,322,147,340.39/227,245.37 - Step 6: Final answer
x = 181,839.34
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1.5x scale
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.