Finding the Fourth Proportional to 203,906.68, 305,514.90 and 124,855.84
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Solution
The fourth proportional to 203,906.68, 305,514.90 and 124,855.84 is: 187,072.44
Step by Step Solution
- Step 1: Write the proportion equation
203,906.68 : 305,514.90 = 124,855.84 : x - Step 2: Convert to fraction form
203,906.68/305,514.90 = 124,855.84/x - Step 3: Cross multiply
203,906.68x = 305,514.90 × 124,855.84 - Step 4: Simplify right side
203,906.68x = 38,145,319,472.02 - Step 5: Solve for x
x = 38,145,319,472.02/203,906.68 - Step 6: Final answer
x = 187,072.44
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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.