Finding the Fourth Proportional to 86,229.07, 129,338.27 and 32,183.23
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Solution
The fourth proportional to 86,229.07, 129,338.27 and 32,183.23 is: 48,272.85
Step by Step Solution
- Step 1: Write the proportion equation
86,229.07 : 129,338.27 = 32,183.23 : x - Step 2: Convert to fraction form
86,229.07/129,338.27 = 32,183.23/x - Step 3: Cross multiply
86,229.07x = 129,338.27 × 32,183.23 - Step 4: Simplify right side
86,229.07x = 4,162,522,483.60 - Step 5: Solve for x
x = 4,162,522,483.60/86,229.07 - Step 6: Final answer
x = 48,272.85
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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.