Finding the Fourth Proportional to 129,873.97, 194,791.47 and 41,115.97
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Solution
The fourth proportional to 129,873.97, 194,791.47 and 41,115.97 is: 61,667.79
Step by Step Solution
- Step 1: Write the proportion equation
129,873.97 : 194,791.47 = 41,115.97 : x - Step 2: Convert to fraction form
129,873.97/194,791.47 = 41,115.97/x - Step 3: Cross multiply
129,873.97x = 194,791.47 × 41,115.97 - Step 4: Simplify right side
129,873.97x = 8,009,040,236.78 - Step 5: Solve for x
x = 8,009,040,236.78/129,873.97 - Step 6: Final answer
x = 61,667.79
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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.