Finding the Fourth Proportional to 213,450.87, 294,537.11 and 117,951.87
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Solution
The fourth proportional to 213,450.87, 294,537.11 and 117,951.87 is: 162,759.71
Step by Step Solution
- Step 1: Write the proportion equation
213,450.87 : 294,537.11 = 117,951.87 : x - Step 2: Convert to fraction form
213,450.87/294,537.11 = 117,951.87/x - Step 3: Cross multiply
213,450.87x = 294,537.11 × 117,951.87 - Step 4: Simplify right side
213,450.87x = 34,741,201,436.21 - Step 5: Solve for x
x = 34,741,201,436.21/213,450.87 - Step 6: Final answer
x = 162,759.71
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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.