Finding the Fourth Proportional to 204,163.58, 281,758.47 and 113,539.79
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Solution
The fourth proportional to 204,163.58, 281,758.47 and 113,539.79 is: 156,691.99
Step by Step Solution
- Step 1: Write the proportion equation
204,163.58 : 281,758.47 = 113,539.79 : x - Step 2: Convert to fraction form
204,163.58/281,758.47 = 113,539.79/x - Step 3: Cross multiply
204,163.58x = 281,758.47 × 113,539.79 - Step 4: Simplify right side
204,163.58x = 31,990,797,514.52 - Step 5: Solve for x
x = 31,990,797,514.52/204,163.58 - Step 6: Final answer
x = 156,691.99
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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.