Finding the Fourth Proportional to 188,341.26, 259,912.84 and 102,301.92
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Solution
The fourth proportional to 188,341.26, 259,912.84 and 102,301.92 is: 141,177.68
Step by Step Solution
- Step 1: Write the proportion equation
188,341.26 : 259,912.84 = 102,301.92 : x - Step 2: Convert to fraction form
188,341.26/259,912.84 = 102,301.92/x - Step 3: Cross multiply
188,341.26x = 259,912.84 × 102,301.92 - Step 4: Simplify right side
188,341.26x = 26,589,582,564.65 - Step 5: Solve for x
x = 26,589,582,564.65/188,341.26 - Step 6: Final answer
x = 141,177.68
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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.