Finding the Fourth Proportional to 188,452.42, 260,082.62 and 107,891.44
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Solution
The fourth proportional to 188,452.42, 260,082.62 and 107,891.44 is: 148,900.65
Step by Step Solution
- Step 1: Write the proportion equation
188,452.42 : 260,082.62 = 107,891.44 : x - Step 2: Convert to fraction form
188,452.42/260,082.62 = 107,891.44/x - Step 3: Cross multiply
188,452.42x = 260,082.62 × 107,891.44 - Step 4: Simplify right side
188,452.42x = 28,060,688,390.77 - Step 5: Solve for x
x = 28,060,688,390.77/188,452.42 - Step 6: Final answer
x = 148,900.65
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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.