Finding the Fourth Proportional to 86,183.46, 129,250.08 and 33,580.44
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Solution
The fourth proportional to 86,183.46, 129,250.08 and 33,580.44 is: 50,360.88
Step by Step Solution
- Step 1: Write the proportion equation
86,183.46 : 129,250.08 = 33,580.44 : x - Step 2: Convert to fraction form
86,183.46/129,250.08 = 33,580.44/x - Step 3: Cross multiply
86,183.46x = 129,250.08 × 33,580.44 - Step 4: Simplify right side
86,183.46x = 4,340,274,556.44 - Step 5: Solve for x
x = 4,340,274,556.44/86,183.46 - Step 6: Final answer
x = 50,360.88
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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.