Finding the Fourth Proportional to 146,723.38, 202,480.36 and 85,467.99
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Solution
The fourth proportional to 146,723.38, 202,480.36 and 85,467.99 is: 117,947.05
Step by Step Solution
- Step 1: Write the proportion equation
146,723.38 : 202,480.36 = 85,467.99 : x - Step 2: Convert to fraction form
146,723.38/202,480.36 = 85,467.99/x - Step 3: Cross multiply
146,723.38x = 202,480.36 × 85,467.99 - Step 4: Simplify right side
146,723.38x = 17,305,589,383.68 - Step 5: Solve for x
x = 17,305,589,383.68/146,723.38 - Step 6: Final answer
x = 117,947.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.