Finding the Fourth Proportional to 215,846.24, 323,584.70 and 82,821.96
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Solution
The fourth proportional to 215,846.24, 323,584.70 and 82,821.96 is: 124,162.09
Step by Step Solution
- Step 1: Write the proportion equation
215,846.24 : 323,584.70 = 82,821.96 : x - Step 2: Convert to fraction form
215,846.24/323,584.70 = 82,821.96/x - Step 3: Cross multiply
215,846.24x = 323,584.70 × 82,821.96 - Step 4: Simplify right side
215,846.24x = 26,799,918,665.90 - Step 5: Solve for x
x = 26,799,918,665.90/215,846.24 - Step 6: Final answer
x = 124,162.09
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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.