Finding the Fourth Proportional to 663,701.25, 995,467.14 and 214,375.44
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Solution
The fourth proportional to 663,701.25, 995,467.14 and 214,375.44 is: 321,535.79
Step by Step Solution
- Step 1: Write the proportion equation
663,701.25 : 995,467.14 = 214,375.44 : x - Step 2: Convert to fraction form
663,701.25/995,467.14 = 214,375.44/x - Step 3: Cross multiply
663,701.25x = 995,467.14 × 214,375.44 - Step 4: Simplify right side
663,701.25x = 213,403,706,143.04 - Step 5: Solve for x
x = 213,403,706,143.04/663,701.25 - Step 6: Final answer
x = 321,535.79
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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.