Finding the Fourth Proportional to 220,198.08, 303,871.68 and 119,596.80
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Solution
The fourth proportional to 220,198.08, 303,871.68 and 119,596.80 is: 165,042.68
Step by Step Solution
- Step 1: Write the proportion equation
220,198.08 : 303,871.68 = 119,596.80 : x - Step 2: Convert to fraction form
220,198.08/303,871.68 = 119,596.80/x - Step 3: Cross multiply
220,198.08x = 303,871.68 × 119,596.80 - Step 4: Simplify right side
220,198.08x = 36,342,080,538.62 - Step 5: Solve for x
x = 36,342,080,538.62/220,198.08 - Step 6: Final answer
x = 165,042.68
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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.