Finding the Fourth Proportional to 397,481.22, 548,523.68 and 227,716.02
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Solution
The fourth proportional to 397,481.22, 548,523.68 and 227,716.02 is: 314,247.88
Step by Step Solution
- Step 1: Write the proportion equation
397,481.22 : 548,523.68 = 227,716.02 : x - Step 2: Convert to fraction form
397,481.22/548,523.68 = 227,716.02/x - Step 3: Cross multiply
397,481.22x = 548,523.68 × 227,716.02 - Step 4: Simplify right side
397,481.22x = 124,907,629,285.35 - Step 5: Solve for x
x = 124,907,629,285.35/397,481.22 - Step 6: Final answer
x = 314,247.88
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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.