Finding the Fourth Proportional to 221,714.26, 332,604.24 and 81,461.95
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Solution
The fourth proportional to 221,714.26, 332,604.24 and 81,461.95 is: 122,204.99
Step by Step Solution
- Step 1: Write the proportion equation
221,714.26 : 332,604.24 = 81,461.95 : x - Step 2: Convert to fraction form
221,714.26/332,604.24 = 81,461.95/x - Step 3: Cross multiply
221,714.26x = 332,604.24 × 81,461.95 - Step 4: Simplify right side
221,714.26x = 27,094,588,305.65 - Step 5: Solve for x
x = 27,094,588,305.65/221,714.26 - Step 6: Final answer
x = 122,204.99
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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.