Finding the Fourth Proportional to 305,082.14, 457,571.18 and 80,444.78
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Solution
The fourth proportional to 305,082.14, 457,571.18 and 80,444.78 is: 120,653.45
Step by Step Solution
- Step 1: Write the proportion equation
305,082.14 : 457,571.18 = 80,444.78 : x - Step 2: Convert to fraction form
305,082.14/457,571.18 = 80,444.78/x - Step 3: Cross multiply
305,082.14x = 457,571.18 × 80,444.78 - Step 4: Simplify right side
305,082.14x = 36,809,212,909.44 - Step 5: Solve for x
x = 36,809,212,909.44/305,082.14 - Step 6: Final answer
x = 120,653.45
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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.