Finding the Fourth Proportional to 209,299.26, 288,831.48 and 113,806.02
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Solution
The fourth proportional to 209,299.26, 288,831.48 and 113,806.02 is: 157,051.49
Step by Step Solution
- Step 1: Write the proportion equation
209,299.26 : 288,831.48 = 113,806.02 : x - Step 2: Convert to fraction form
209,299.26/288,831.48 = 113,806.02/x - Step 3: Cross multiply
209,299.26x = 288,831.48 × 113,806.02 - Step 4: Simplify right side
209,299.26x = 32,870,761,189.51 - Step 5: Solve for x
x = 32,870,761,189.51/209,299.26 - Step 6: Final answer
x = 157,051.49
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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.