Finding the Fourth Proportional to 221,558.20, 332,337.30 and 132,911.80
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Solution
The fourth proportional to 221,558.20, 332,337.30 and 132,911.80 is: 199,367.70
Step by Step Solution
- Step 1: Write the proportion equation
221,558.20 : 332,337.30 = 132,911.80 : x - Step 2: Convert to fraction form
221,558.20/332,337.30 = 132,911.80/x - Step 3: Cross multiply
221,558.20x = 332,337.30 × 132,911.80 - Step 4: Simplify right side
221,558.20x = 44,171,548,750.14 - Step 5: Solve for x
x = 44,171,548,750.14/221,558.20 - Step 6: Final answer
x = 199,367.70
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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.