Finding the Fourth Proportional to 192,874.10, 289,311.15 and 173,239.70
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Solution
The fourth proportional to 192,874.10, 289,311.15 and 173,239.70 is: 259,859.55
Step by Step Solution
- Step 1: Write the proportion equation
192,874.10 : 289,311.15 = 173,239.70 : x - Step 2: Convert to fraction form
192,874.10/289,311.15 = 173,239.70/x - Step 3: Cross multiply
192,874.10x = 289,311.15 × 173,239.70 - Step 4: Simplify right side
192,874.10x = 50,120,176,832.66 - Step 5: Solve for x
x = 50,120,176,832.66/192,874.10 - Step 6: Final answer
x = 259,859.55
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1.5x scale
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.