Finding the Fourth Proportional to 227,715.70, 341,573.55 and 212,163.70
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Solution
The fourth proportional to 227,715.70, 341,573.55 and 212,163.70 is: 318,245.55
Step by Step Solution
- Step 1: Write the proportion equation
227,715.70 : 341,573.55 = 212,163.70 : x - Step 2: Convert to fraction form
227,715.70/341,573.55 = 212,163.70/x - Step 3: Cross multiply
227,715.70x = 341,573.55 × 212,163.70 - Step 4: Simplify right side
227,715.70x = 72,469,508,190.14 - Step 5: Solve for x
x = 72,469,508,190.14/227,715.70 - Step 6: Final answer
x = 318,245.55
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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.