Finding the Fourth Proportional to 197,586.97, 272,676.63 and 121,091.29
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Solution
The fourth proportional to 197,586.97, 272,676.63 and 121,091.29 is: 167,110.03
Step by Step Solution
- Step 1: Write the proportion equation
197,586.97 : 272,676.63 = 121,091.29 : x - Step 2: Convert to fraction form
197,586.97/272,676.63 = 121,091.29/x - Step 3: Cross multiply
197,586.97x = 272,676.63 × 121,091.29 - Step 4: Simplify right side
197,586.97x = 33,018,763,516.17 - Step 5: Solve for x
x = 33,018,763,516.17/197,586.97 - Step 6: Final answer
x = 167,110.03
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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.