Finding the Fourth Proportional to 192,779.67, 289,122.93 and 74,375.49
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Solution
The fourth proportional to 192,779.67, 289,122.93 and 74,375.49 is: 111,545.27
Step by Step Solution
- Step 1: Write the proportion equation
192,779.67 : 289,122.93 = 74,375.49 : x - Step 2: Convert to fraction form
192,779.67/289,122.93 = 74,375.49/x - Step 3: Cross multiply
192,779.67x = 289,122.93 × 74,375.49 - Step 4: Simplify right side
192,779.67x = 21,503,659,588.99 - Step 5: Solve for x
x = 21,503,659,588.99/192,779.67 - Step 6: Final answer
x = 111,545.27
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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.