Finding the Fourth Proportional to 202,170.24, 278,991.84 and 117,301.92
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Solution
The fourth proportional to 202,170.24, 278,991.84 and 117,301.92 is: 161,874.86
Step by Step Solution
- Step 1: Write the proportion equation
202,170.24 : 278,991.84 = 117,301.92 : x - Step 2: Convert to fraction form
202,170.24/278,991.84 = 117,301.92/x - Step 3: Cross multiply
202,170.24x = 278,991.84 × 117,301.92 - Step 4: Simplify right side
202,170.24x = 32,726,278,496.33 - Step 5: Solve for x
x = 32,726,278,496.33/202,170.24 - Step 6: Final answer
x = 161,874.86
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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.