Finding the Fourth Proportional to 192,361.86, 288,542.70 and 52,120.49
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Solution
The fourth proportional to 192,361.86, 288,542.70 and 52,120.49 is: 78,180.70
Step by Step Solution
- Step 1: Write the proportion equation
192,361.86 : 288,542.70 = 52,120.49 : x - Step 2: Convert to fraction form
192,361.86/288,542.70 = 52,120.49/x - Step 3: Cross multiply
192,361.86x = 288,542.70 × 52,120.49 - Step 4: Simplify right side
192,361.86x = 15,038,985,467.21 - Step 5: Solve for x
x = 15,038,985,467.21/192,361.86 - Step 6: Final answer
x = 78,180.70
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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.