Finding the Fourth Proportional to 221,563.20, 332,106.04 and 107,469.42
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Solution
The fourth proportional to 221,563.20, 332,106.04 and 107,469.42 is: 161,088.32
Step by Step Solution
- Step 1: Write the proportion equation
221,563.20 : 332,106.04 = 107,469.42 : x - Step 2: Convert to fraction form
221,563.20/332,106.04 = 107,469.42/x - Step 3: Cross multiply
221,563.20x = 332,106.04 × 107,469.42 - Step 4: Simplify right side
221,563.20x = 35,691,243,497.30 - Step 5: Solve for x
x = 35,691,243,497.30/221,563.20 - Step 6: Final answer
x = 161,088.32
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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.