Finding the Fourth Proportional to 351,685.20, 484,843.56 and 222,559.44
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Solution
The fourth proportional to 351,685.20, 484,843.56 and 222,559.44 is: 306,826.99
Step by Step Solution
- Step 1: Write the proportion equation
351,685.20 : 484,843.56 = 222,559.44 : x - Step 2: Convert to fraction form
351,685.20/484,843.56 = 222,559.44/x - Step 3: Cross multiply
351,685.20x = 484,843.56 × 222,559.44 - Step 4: Simplify right side
351,685.20x = 107,906,511,201.21 - Step 5: Solve for x
x = 107,906,511,201.21/351,685.20 - Step 6: Final answer
x = 306,826.99
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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.