Finding the Fourth Proportional to 198,217.14, 273,539.82 and 107,573.11
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Solution
The fourth proportional to 198,217.14, 273,539.82 and 107,573.11 is: 148,450.98
Step by Step Solution
- Step 1: Write the proportion equation
198,217.14 : 273,539.82 = 107,573.11 : x - Step 2: Convert to fraction form
198,217.14/273,539.82 = 107,573.11/x - Step 3: Cross multiply
198,217.14x = 273,539.82 × 107,573.11 - Step 4: Simplify right side
198,217.14x = 29,425,529,146.24 - Step 5: Solve for x
x = 29,425,529,146.24/198,217.14 - Step 6: Final answer
x = 148,450.98
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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.