Finding the Fourth Proportional to 203,515.29, 305,287.52 and 53,754.09
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Solution
The fourth proportional to 203,515.29, 305,287.52 and 53,754.09 is: 80,634.99
Step by Step Solution
- Step 1: Write the proportion equation
203,515.29 : 305,287.52 = 53,754.09 : x - Step 2: Convert to fraction form
203,515.29/305,287.52 = 53,754.09/x - Step 3: Cross multiply
203,515.29x = 305,287.52 × 53,754.09 - Step 4: Simplify right side
203,515.29x = 16,410,452,557.19 - Step 5: Solve for x
x = 16,410,452,557.19/203,515.29 - Step 6: Final answer
x = 80,634.99
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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.