Finding the Fourth Proportional to 197,125.62, 272,033.45 and 106,481.58
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Solution
The fourth proportional to 197,125.62, 272,033.45 and 106,481.58 is: 146,944.63
Step by Step Solution
- Step 1: Write the proportion equation
197,125.62 : 272,033.45 = 106,481.58 : x - Step 2: Convert to fraction form
197,125.62/272,033.45 = 106,481.58/x - Step 3: Cross multiply
197,125.62x = 272,033.45 × 106,481.58 - Step 4: Simplify right side
197,125.62x = 28,966,551,568.85 - Step 5: Solve for x
x = 28,966,551,568.85/197,125.62 - Step 6: Final answer
x = 146,944.63
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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.