Finding the Fourth Proportional to 202,286.87, 303,396.28 and 74,176.66
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Solution
The fourth proportional to 202,286.87, 303,396.28 and 74,176.66 is: 111,252.52
Step by Step Solution
- Step 1: Write the proportion equation
202,286.87 : 303,396.28 = 74,176.66 : x - Step 2: Convert to fraction form
202,286.87/303,396.28 = 74,176.66/x - Step 3: Cross multiply
202,286.87x = 303,396.28 × 74,176.66 - Step 4: Simplify right side
202,286.87x = 22,504,923,317.87 - Step 5: Solve for x
x = 22,504,923,317.87/202,286.87 - Step 6: Final answer
x = 111,252.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.