Finding the Fourth Proportional to 221,436.21, 332,207.00 and 71,676.53
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Solution
The fourth proportional to 221,436.21, 332,207.00 and 71,676.53 is: 107,531.84
Step by Step Solution
- Step 1: Write the proportion equation
221,436.21 : 332,207.00 = 71,676.53 : x - Step 2: Convert to fraction form
221,436.21/332,207.00 = 71,676.53/x - Step 3: Cross multiply
221,436.21x = 332,207.00 × 71,676.53 - Step 4: Simplify right side
221,436.21x = 23,811,442,982.29 - Step 5: Solve for x
x = 23,811,442,982.29/221,436.21 - Step 6: Final answer
x = 107,531.84
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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.