Finding the Fourth Proportional to 86,229.36, 129,346.20 and 23,899.68
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Solution
The fourth proportional to 86,229.36, 129,346.20 and 23,899.68 is: 35,850.12
Step by Step Solution
- Step 1: Write the proportion equation
86,229.36 : 129,346.20 = 23,899.68 : x - Step 2: Convert to fraction form
86,229.36/129,346.20 = 23,899.68/x - Step 3: Cross multiply
86,229.36x = 129,346.20 × 23,899.68 - Step 4: Simplify right side
86,229.36x = 3,091,332,789.22 - Step 5: Solve for x
x = 3,091,332,789.22/86,229.36 - Step 6: Final answer
x = 35,850.12
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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.