Finding the Fourth Proportional to 197,966.19, 273,207.84 and 113,081.43
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Solution
The fourth proportional to 197,966.19, 273,207.84 and 113,081.43 is: 156,060.65
Step by Step Solution
- Step 1: Write the proportion equation
197,966.19 : 273,207.84 = 113,081.43 : x - Step 2: Convert to fraction form
197,966.19/273,207.84 = 113,081.43/x - Step 3: Cross multiply
197,966.19x = 273,207.84 × 113,081.43 - Step 4: Simplify right side
197,966.19x = 30,894,733,234.41 - Step 5: Solve for x
x = 30,894,733,234.41/197,966.19 - Step 6: Final answer
x = 156,060.65
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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.