Finding the Fourth Proportional to 213,371.80, 294,450.87 and 117,872.26
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Solution
The fourth proportional to 213,371.80, 294,450.87 and 117,872.26 is: 162,662.50
Step by Step Solution
- Step 1: Write the proportion equation
213,371.80 : 294,450.87 = 117,872.26 : x - Step 2: Convert to fraction form
213,371.80/294,450.87 = 117,872.26/x - Step 3: Cross multiply
213,371.80x = 294,450.87 × 117,872.26 - Step 4: Simplify right side
213,371.80x = 34,707,589,505.87 - Step 5: Solve for x
x = 34,707,589,505.87/213,371.80 - Step 6: Final answer
x = 162,662.50
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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.