Finding the Fourth Proportional to 182,859.23, 252,235.39 and 120,770.09
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Solution
The fourth proportional to 182,859.23, 252,235.39 and 120,770.09 is: 166,589.85
Step by Step Solution
- Step 1: Write the proportion equation
182,859.23 : 252,235.39 = 120,770.09 : x - Step 2: Convert to fraction form
182,859.23/252,235.39 = 120,770.09/x - Step 3: Cross multiply
182,859.23x = 252,235.39 × 120,770.09 - Step 4: Simplify right side
182,859.23x = 30,462,491,080.15 - Step 5: Solve for x
x = 30,462,491,080.15/182,859.23 - Step 6: Final answer
x = 166,589.85
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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.