Finding the Fourth Proportional to 197,161.70, 272,083.25 and 106,517.63
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Solution
The fourth proportional to 197,161.70, 272,083.25 and 106,517.63 is: 146,994.39
Step by Step Solution
- Step 1: Write the proportion equation
197,161.70 : 272,083.25 = 106,517.63 : x - Step 2: Convert to fraction form
197,161.70/272,083.25 = 106,517.63/x - Step 3: Cross multiply
197,161.70x = 272,083.25 × 106,517.63 - Step 4: Simplify right side
197,161.70x = 28,981,663,899.20 - Step 5: Solve for x
x = 28,981,663,899.20/197,161.70 - Step 6: Final answer
x = 146,994.39
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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.