Finding the Fourth Proportional to 851,152.26, 1,276,915.11 and 252,160.23
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Solution
The fourth proportional to 851,152.26, 1,276,915.11 and 252,160.23 is: 378,295.66
Step by Step Solution
- Step 1: Write the proportion equation
851,152.26 : 1,276,915.11 = 252,160.23 : x - Step 2: Convert to fraction form
851,152.26/1,276,915.11 = 252,160.23/x - Step 3: Cross multiply
851,152.26x = 1,276,915.11 × 252,160.23 - Step 4: Simplify right side
851,152.26x = 321,987,207,828.08 - Step 5: Solve for x
x = 321,987,207,828.08/851,152.26 - Step 6: Final answer
x = 378,295.66
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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.