Finding the Fourth Proportional to 221,524.58, 332,286.84 and 122,315.58
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Solution
The fourth proportional to 221,524.58, 332,286.84 and 122,315.58 is: 183,473.35
Step by Step Solution
- Step 1: Write the proportion equation
221,524.58 : 332,286.84 = 122,315.58 : x - Step 2: Convert to fraction form
221,524.58/332,286.84 = 122,315.58/x - Step 3: Cross multiply
221,524.58x = 332,286.84 × 122,315.58 - Step 4: Simplify right side
221,524.58x = 40,643,857,560.97 - Step 5: Solve for x
x = 40,643,857,560.97/221,524.58 - Step 6: Final answer
x = 183,473.35
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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.