Finding the Fourth Proportional to 221,472.62, 332,261.84 and 71,713.08
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Solution
The fourth proportional to 221,472.62, 332,261.84 and 71,713.08 is: 107,586.75
Step by Step Solution
- Step 1: Write the proportion equation
221,472.62 : 332,261.84 = 71,713.08 : x - Step 2: Convert to fraction form
221,472.62/332,261.84 = 71,713.08/x - Step 3: Cross multiply
221,472.62x = 332,261.84 × 71,713.08 - Step 4: Simplify right side
221,472.62x = 23,827,519,912.87 - Step 5: Solve for x
x = 23,827,519,912.87/221,472.62 - Step 6: Final answer
x = 107,586.75
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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.