Finding the Fourth Proportional to 221,405.20, 332,107.80 and 146,609.80
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Solution
The fourth proportional to 221,405.20, 332,107.80 and 146,609.80 is: 219,914.70
Step by Step Solution
- Step 1: Write the proportion equation
221,405.20 : 332,107.80 = 146,609.80 : x - Step 2: Convert to fraction form
221,405.20/332,107.80 = 146,609.80/x - Step 3: Cross multiply
221,405.20x = 332,107.80 × 146,609.80 - Step 4: Simplify right side
221,405.20x = 48,690,258,136.44 - Step 5: Solve for x
x = 48,690,258,136.44/221,405.20 - Step 6: Final answer
x = 219,914.70
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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.