Finding the Fourth Proportional to 146,163.60, 201,711.60 and 82,497.60
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Solution
The fourth proportional to 146,163.60, 201,711.60 and 82,497.60 is: 113,849.98
Step by Step Solution
- Step 1: Write the proportion equation
146,163.60 : 201,711.60 = 82,497.60 : x - Step 2: Convert to fraction form
146,163.60/201,711.60 = 82,497.60/x - Step 3: Cross multiply
146,163.60x = 201,711.60 × 82,497.60 - Step 4: Simplify right side
146,163.60x = 16,640,722,892.16 - Step 5: Solve for x
x = 16,640,722,892.16/146,163.60 - Step 6: Final answer
x = 113,849.98
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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.