Finding the Fourth Proportional to 221,676.20, 332,514.30 and 133,029.80
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Solution
The fourth proportional to 221,676.20, 332,514.30 and 133,029.80 is: 199,544.70
Step by Step Solution
- Step 1: Write the proportion equation
221,676.20 : 332,514.30 = 133,029.80 : x - Step 2: Convert to fraction form
221,676.20/332,514.30 = 133,029.80/x - Step 3: Cross multiply
221,676.20x = 332,514.30 × 133,029.80 - Step 4: Simplify right side
221,676.20x = 44,234,310,826.14 - Step 5: Solve for x
x = 44,234,310,826.14/221,676.20 - Step 6: Final answer
x = 199,544.70
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1.5x scale
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.