Finding the Fourth Proportional to 189,868.12, 284,845.42 and 101,074.84
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Solution
The fourth proportional to 189,868.12, 284,845.42 and 101,074.84 is: 151,635.28
Step by Step Solution
- Step 1: Write the proportion equation
189,868.12 : 284,845.42 = 101,074.84 : x - Step 2: Convert to fraction form
189,868.12/284,845.42 = 101,074.84/x - Step 3: Cross multiply
189,868.12x = 284,845.42 × 101,074.84 - Step 4: Simplify right side
189,868.12x = 28,790,705,251.23 - Step 5: Solve for x
x = 28,790,705,251.23/189,868.12 - Step 6: Final answer
x = 151,635.28
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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.