Finding the Fourth Proportional to 198,377.75, 273,766.14 and 107,737.53
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Solution
The fourth proportional to 198,377.75, 273,766.14 and 107,737.53 is: 148,680.43
Step by Step Solution
- Step 1: Write the proportion equation
198,377.75 : 273,766.14 = 107,737.53 : x - Step 2: Convert to fraction form
198,377.75/273,766.14 = 107,737.53/x - Step 3: Cross multiply
198,377.75x = 273,766.14 × 107,737.53 - Step 4: Simplify right side
198,377.75x = 29,494,887,721.23 - Step 5: Solve for x
x = 29,494,887,721.23/198,377.75 - Step 6: Final answer
x = 148,680.43
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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.