Finding the Fourth Proportional to 189,750.12, 284,034.69 and 119,481.81
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Solution
The fourth proportional to 189,750.12, 284,034.69 and 119,481.81 is: 178,850.90
Step by Step Solution
- Step 1: Write the proportion equation
189,750.12 : 284,034.69 = 119,481.81 : x - Step 2: Convert to fraction form
189,750.12/284,034.69 = 119,481.81/x - Step 3: Cross multiply
189,750.12x = 284,034.69 × 119,481.81 - Step 4: Simplify right side
189,750.12x = 33,936,978,863.99 - Step 5: Solve for x
x = 33,936,978,863.99/189,750.12 - Step 6: Final answer
x = 178,850.90
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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.