Finding the Fourth Proportional to 203,896.44, 281,376.99 and 113,260.82
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Solution
The fourth proportional to 203,896.44, 281,376.99 and 113,260.82 is: 156,299.87
Step by Step Solution
- Step 1: Write the proportion equation
203,896.44 : 281,376.99 = 113,260.82 : x - Step 2: Convert to fraction form
203,896.44/281,376.99 = 113,260.82/x - Step 3: Cross multiply
203,896.44x = 281,376.99 × 113,260.82 - Step 4: Simplify right side
203,896.44x = 31,868,987,209.65 - Step 5: Solve for x
x = 31,868,987,209.65/203,896.44 - Step 6: Final answer
x = 156,299.87
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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.