Finding the Fourth Proportional to 226,514.73, 312,583.72 and 124,540.09
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Solution
The fourth proportional to 226,514.73, 312,583.72 and 124,540.09 is: 171,861.69
Step by Step Solution
- Step 1: Write the proportion equation
226,514.73 : 312,583.72 = 124,540.09 : x - Step 2: Convert to fraction form
226,514.73/312,583.72 = 124,540.09/x - Step 3: Cross multiply
226,514.73x = 312,583.72 × 124,540.09 - Step 4: Simplify right side
226,514.73x = 38,929,204,621.33 - Step 5: Solve for x
x = 38,929,204,621.33/226,514.73 - Step 6: Final answer
x = 171,861.69
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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.