Finding the Fourth Proportional to 118,571.21, 177,857.12 and 48,450.52
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Solution
The fourth proportional to 118,571.21, 177,857.12 and 48,450.52 is: 72,675.90
Step by Step Solution
- Step 1: Write the proportion equation
118,571.21 : 177,857.12 = 48,450.52 : x - Step 2: Convert to fraction form
118,571.21/177,857.12 = 48,450.52/x - Step 3: Cross multiply
118,571.21x = 177,857.12 × 48,450.52 - Step 4: Simplify right side
118,571.21x = 8,617,269,949.70 - Step 5: Solve for x
x = 8,617,269,949.70/118,571.21 - Step 6: Final answer
x = 72,675.90
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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.