Finding the Fourth Proportional to 197,161.77, 272,083.37 and 106,517.68
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Solution
The fourth proportional to 197,161.77, 272,083.37 and 106,517.68 is: 146,994.46
Step by Step Solution
- Step 1: Write the proportion equation
197,161.77 : 272,083.37 = 106,517.68 : x - Step 2: Convert to fraction form
197,161.77/272,083.37 = 106,517.68/x - Step 3: Cross multiply
197,161.77x = 272,083.37 × 106,517.68 - Step 4: Simplify right side
197,161.77x = 28,981,688,126.18 - Step 5: Solve for x
x = 28,981,688,126.18/197,161.77 - Step 6: Final answer
x = 146,994.46
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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.