Finding the Fourth Proportional to 288,144.62, 431,146.49 and 181,027.06
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Solution
The fourth proportional to 288,144.62, 431,146.49 and 181,027.06 is: 270,868.09
Step by Step Solution
- Step 1: Write the proportion equation
288,144.62 : 431,146.49 = 181,027.06 : x - Step 2: Convert to fraction form
288,144.62/431,146.49 = 181,027.06/x - Step 3: Cross multiply
288,144.62x = 431,146.49 × 181,027.06 - Step 4: Simplify right side
288,144.62x = 78,049,181,514.02 - Step 5: Solve for x
x = 78,049,181,514.02/288,144.62 - Step 6: Final answer
x = 270,868.09
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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.