Finding the Fourth Proportional to 663,704.26, 995,471.64 and 214,378.44
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Solution
The fourth proportional to 663,704.26, 995,471.64 and 214,378.44 is: 321,540.29
Step by Step Solution
- Step 1: Write the proportion equation
663,704.26 : 995,471.64 = 214,378.44 : x - Step 2: Convert to fraction form
663,704.26/995,471.64 = 214,378.44/x - Step 3: Cross multiply
663,704.26x = 995,471.64 × 214,378.44 - Step 4: Simplify right side
663,704.26x = 213,407,657,247.44 - Step 5: Solve for x
x = 213,407,657,247.44/663,704.26 - Step 6: Final answer
x = 321,540.29
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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.