Finding the Fourth Proportional to 269,163.70, 403,399.95 and 206,523.70
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Solution
The fourth proportional to 269,163.70, 403,399.95 and 206,523.70 is: 309,520.38
Step by Step Solution
- Step 1: Write the proportion equation
269,163.70 : 403,399.95 = 206,523.70 : x - Step 2: Convert to fraction form
269,163.70/403,399.95 = 206,523.70/x - Step 3: Cross multiply
269,163.70x = 403,399.95 × 206,523.70 - Step 4: Simplify right side
269,163.70x = 83,311,650,253.82 - Step 5: Solve for x
x = 83,311,650,253.82/269,163.70 - Step 6: Final answer
x = 309,520.38
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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.