Finding the Fourth Proportional to 208,964.26, 288,370.68 and 119,540.26
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Solution
The fourth proportional to 208,964.26, 288,370.68 and 119,540.26 is: 164,965.56
Step by Step Solution
- Step 1: Write the proportion equation
208,964.26 : 288,370.68 = 119,540.26 : x - Step 2: Convert to fraction form
208,964.26/288,370.68 = 119,540.26/x - Step 3: Cross multiply
208,964.26x = 288,370.68 × 119,540.26 - Step 4: Simplify right side
208,964.26x = 34,471,906,063.58 - Step 5: Solve for x
x = 34,471,906,063.58/208,964.26 - Step 6: Final answer
x = 164,965.56
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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.