Finding the Fourth Proportional to 197,818.92, 296,371.62 and 121,785.14
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Solution
The fourth proportional to 197,818.92, 296,371.62 and 121,785.14 is: 182,458.07
Step by Step Solution
- Step 1: Write the proportion equation
197,818.92 : 296,371.62 = 121,785.14 : x - Step 2: Convert to fraction form
197,818.92/296,371.62 = 121,785.14/x - Step 3: Cross multiply
197,818.92x = 296,371.62 × 121,785.14 - Step 4: Simplify right side
197,818.92x = 36,093,659,233.73 - Step 5: Solve for x
x = 36,093,659,233.73/197,818.92 - Step 6: Final answer
x = 182,458.07
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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.