Finding the Fourth Proportional to 208,845.26, 288,206.73 and 113,351.96
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Solution
The fourth proportional to 208,845.26, 288,206.73 and 113,351.96 is: 156,425.85
Step by Step Solution
- Step 1: Write the proportion equation
208,845.26 : 288,206.73 = 113,351.96 : x - Step 2: Convert to fraction form
208,845.26/288,206.73 = 113,351.96/x - Step 3: Cross multiply
208,845.26x = 288,206.73 × 113,351.96 - Step 4: Simplify right side
208,845.26x = 32,668,797,730.69 - Step 5: Solve for x
x = 32,668,797,730.69/208,845.26 - Step 6: Final answer
x = 156,425.85
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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.