Finding the Fourth Proportional to 252,330.18, 378,158.97 and 119,245.74
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Solution
The fourth proportional to 252,330.18, 378,158.97 and 119,245.74 is: 178,709.68
Step by Step Solution
- Step 1: Write the proportion equation
252,330.18 : 378,158.97 = 119,245.74 : x - Step 2: Convert to fraction form
252,330.18/378,158.97 = 119,245.74/x - Step 3: Cross multiply
252,330.18x = 378,158.97 × 119,245.74 - Step 4: Simplify right side
252,330.18x = 45,093,846,215.29 - Step 5: Solve for x
x = 45,093,846,215.29/252,330.18 - Step 6: Final answer
x = 178,709.68
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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.