Finding the Fourth Proportional to 221,491.70, 332,286.15 and 71,738.90
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Solution
The fourth proportional to 221,491.70, 332,286.15 and 71,738.90 is: 107,624.09
Step by Step Solution
- Step 1: Write the proportion equation
221,491.70 : 332,286.15 = 71,738.90 : x - Step 2: Convert to fraction form
221,491.70/332,286.15 = 71,738.90/x - Step 3: Cross multiply
221,491.70x = 332,286.15 × 71,738.90 - Step 4: Simplify right side
221,491.70x = 23,837,842,886.24 - Step 5: Solve for x
x = 23,837,842,886.24/221,491.70 - Step 6: Final answer
x = 107,624.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.