Finding the Fourth Proportional to 851,717.46, 1,277,576.14 and 220,631.26
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Solution
The fourth proportional to 851,717.46, 1,277,576.14 and 220,631.26 is: 330,946.88
Step by Step Solution
- Step 1: Write the proportion equation
851,717.46 : 1,277,576.14 = 220,631.26 : x - Step 2: Convert to fraction form
851,717.46/1,277,576.14 = 220,631.26/x - Step 3: Cross multiply
851,717.46x = 1,277,576.14 × 220,631.26 - Step 4: Simplify right side
851,717.46x = 281,873,233,514.14 - Step 5: Solve for x
x = 281,873,233,514.14/851,717.46 - Step 6: Final answer
x = 330,946.88
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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.