Finding the Fourth Proportional to 209,163.26, 288,647.14 and 113,669.96
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Solution
The fourth proportional to 209,163.26, 288,647.14 and 113,669.96 is: 156,865.55
Step by Step Solution
- Step 1: Write the proportion equation
209,163.26 : 288,647.14 = 113,669.96 : x - Step 2: Convert to fraction form
209,163.26/288,647.14 = 113,669.96/x - Step 3: Cross multiply
209,163.26x = 288,647.14 × 113,669.96 - Step 4: Simplify right side
209,163.26x = 32,810,508,857.91 - Step 5: Solve for x
x = 32,810,508,857.91/209,163.26 - Step 6: Final answer
x = 156,865.55
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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.