Finding the Fourth Proportional to 263,832.24, 395,785.35 and 86,353.32
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Solution
The fourth proportional to 263,832.24, 395,785.35 and 86,353.32 is: 129,542.09
Step by Step Solution
- Step 1: Write the proportion equation
263,832.24 : 395,785.35 = 86,353.32 : x - Step 2: Convert to fraction form
263,832.24/395,785.35 = 86,353.32/x - Step 3: Cross multiply
263,832.24x = 395,785.35 × 86,353.32 - Step 4: Simplify right side
263,832.24x = 34,177,378,979.86 - Step 5: Solve for x
x = 34,177,378,979.86/263,832.24 - Step 6: Final answer
x = 129,542.09
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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.