Finding the Fourth Proportional to 394,514.53, 544,419.16 and 222,431.02
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Solution
The fourth proportional to 394,514.53, 544,419.16 and 222,431.02 is: 306,948.66
Step by Step Solution
- Step 1: Write the proportion equation
394,514.53 : 544,419.16 = 222,431.02 : x - Step 2: Convert to fraction form
394,514.53/544,419.16 = 222,431.02/x - Step 3: Cross multiply
394,514.53x = 544,419.16 × 222,431.02 - Step 4: Simplify right side
394,514.53x = 121,095,707,149.22 - Step 5: Solve for x
x = 121,095,707,149.22/394,514.53 - Step 6: Final answer
x = 306,948.66
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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.