Finding the Fourth Proportional to 203,096.62, 280,273.11 and 113,672.62
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Solution
The fourth proportional to 203,096.62, 280,273.11 and 113,672.62 is: 156,868.09
Step by Step Solution
- Step 1: Write the proportion equation
203,096.62 : 280,273.11 = 113,672.62 : x - Step 2: Convert to fraction form
203,096.62/280,273.11 = 113,672.62/x - Step 3: Cross multiply
203,096.62x = 280,273.11 × 113,672.62 - Step 4: Simplify right side
203,096.62x = 31,859,378,729.25 - Step 5: Solve for x
x = 31,859,378,729.25/203,096.62 - Step 6: Final answer
x = 156,868.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.