Finding the Fourth Proportional to 212,434.26, 293,163.03 and 115,640.91
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Solution
The fourth proportional to 212,434.26, 293,163.03 and 115,640.91 is: 159,586.50
Step by Step Solution
- Step 1: Write the proportion equation
212,434.26 : 293,163.03 = 115,640.91 : x - Step 2: Convert to fraction form
212,434.26/293,163.03 = 115,640.91/x - Step 3: Cross multiply
212,434.26x = 293,163.03 × 115,640.91 - Step 4: Simplify right side
212,434.26x = 33,901,639,567.56 - Step 5: Solve for x
x = 33,901,639,567.56/212,434.26 - Step 6: Final answer
x = 159,586.50
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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.