Finding the Fourth Proportional to 221,472.75, 332,257.58 and 71,728.18
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Solution
The fourth proportional to 221,472.75, 332,257.58 and 71,728.18 is: 107,607.96
Step by Step Solution
- Step 1: Write the proportion equation
221,472.75 : 332,257.58 = 71,728.18 : x - Step 2: Convert to fraction form
221,472.75/332,257.58 = 71,728.18/x - Step 3: Cross multiply
221,472.75x = 332,257.58 × 71,728.18 - Step 4: Simplify right side
221,472.75x = 23,832,230,549.81 - Step 5: Solve for x
x = 23,832,230,549.81/221,472.75 - Step 6: Final answer
x = 107,607.96
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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.