Finding the Fourth Proportional to 202,121.76, 303,182.88 and 61,879.68
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Solution
The fourth proportional to 202,121.76, 303,182.88 and 61,879.68 is: 92,819.59
Step by Step Solution
- Step 1: Write the proportion equation
202,121.76 : 303,182.88 = 61,879.68 : x - Step 2: Convert to fraction form
202,121.76/303,182.88 = 61,879.68/x - Step 3: Cross multiply
202,121.76x = 303,182.88 × 61,879.68 - Step 4: Simplify right side
202,121.76x = 18,760,859,595.88 - Step 5: Solve for x
x = 18,760,859,595.88/202,121.76 - Step 6: Final answer
x = 92,819.59
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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.