Finding the Fourth Proportional to 202,653.11, 303,933.45 and 76,306.68
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Solution
The fourth proportional to 202,653.11, 303,933.45 and 76,306.68 is: 114,442.62
Step by Step Solution
- Step 1: Write the proportion equation
202,653.11 : 303,933.45 = 76,306.68 : x - Step 2: Convert to fraction form
202,653.11/303,933.45 = 76,306.68/x - Step 3: Cross multiply
202,653.11x = 303,933.45 × 76,306.68 - Step 4: Simplify right side
202,653.11x = 23,192,152,510.45 - Step 5: Solve for x
x = 23,192,152,510.45/202,653.11 - Step 6: Final answer
x = 114,442.62
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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.