Finding the Fourth Proportional to 220,409.62, 304,198.53 and 134,418.49
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Solution
The fourth proportional to 220,409.62, 304,198.53 and 134,418.49 is: 185,517.80
Step by Step Solution
- Step 1: Write the proportion equation
220,409.62 : 304,198.53 = 134,418.49 : x - Step 2: Convert to fraction form
220,409.62/304,198.53 = 134,418.49/x - Step 3: Cross multiply
220,409.62x = 304,198.53 × 134,418.49 - Step 4: Simplify right side
220,409.62x = 40,889,907,062.82 - Step 5: Solve for x
x = 40,889,907,062.82/220,409.62 - Step 6: Final answer
x = 185,517.80
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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.