Finding the Fourth Proportional to 189,836.24, 284,750.52 and 56,716.88
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Solution
The fourth proportional to 189,836.24, 284,750.52 and 56,716.88 is: 85,074.17
Step by Step Solution
- Step 1: Write the proportion equation
189,836.24 : 284,750.52 = 56,716.88 : x - Step 2: Convert to fraction form
189,836.24/284,750.52 = 56,716.88/x - Step 3: Cross multiply
189,836.24x = 284,750.52 × 56,716.88 - Step 4: Simplify right side
189,836.24x = 16,150,161,072.78 - Step 5: Solve for x
x = 16,150,161,072.78/189,836.24 - Step 6: Final answer
x = 85,074.17
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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.