Finding the Fourth Proportional to 200,720.26, 276,993.68 and 115,837.32
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Solution
The fourth proportional to 200,720.26, 276,993.68 and 115,837.32 is: 159,855.34
Step by Step Solution
- Step 1: Write the proportion equation
200,720.26 : 276,993.68 = 115,837.32 : x - Step 2: Convert to fraction form
200,720.26/276,993.68 = 115,837.32/x - Step 3: Cross multiply
200,720.26x = 276,993.68 × 115,837.32 - Step 4: Simplify right side
200,720.26x = 32,086,206,007.68 - Step 5: Solve for x
x = 32,086,206,007.68/200,720.26 - Step 6: Final answer
x = 159,855.34
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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.