Finding the Fourth Proportional to 446,721.92, 669,979.20 and 131,094.08
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Solution
The fourth proportional to 446,721.92, 669,979.20 and 131,094.08 is: 196,610.69
Step by Step Solution
- Step 1: Write the proportion equation
446,721.92 : 669,979.20 = 131,094.08 : x - Step 2: Convert to fraction form
446,721.92/669,979.20 = 131,094.08/x - Step 3: Cross multiply
446,721.92x = 669,979.20 × 131,094.08 - Step 4: Simplify right side
446,721.92x = 87,830,306,843.14 - Step 5: Solve for x
x = 87,830,306,843.14/446,721.92 - Step 6: Final answer
x = 196,610.69
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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.