Finding the Fourth Proportional to 227,063.93, 339,986.80 and 126,938.97
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Solution
The fourth proportional to 227,063.93, 339,986.80 and 126,938.97 is: 190,067.94
Step by Step Solution
- Step 1: Write the proportion equation
227,063.93 : 339,986.80 = 126,938.97 : x - Step 2: Convert to fraction form
227,063.93/339,986.80 = 126,938.97/x - Step 3: Cross multiply
227,063.93x = 339,986.80 × 126,938.97 - Step 4: Simplify right side
227,063.93x = 43,157,573,888.25 - Step 5: Solve for x
x = 43,157,573,888.25/227,063.93 - Step 6: Final answer
x = 190,067.94
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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.