Finding the Fourth Proportional to 150,806.26, 208,183.57 and 87,131.75
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Solution
The fourth proportional to 150,806.26, 208,183.57 and 87,131.75 is: 120,282.80
Step by Step Solution
- Step 1: Write the proportion equation
150,806.26 : 208,183.57 = 87,131.75 : x - Step 2: Convert to fraction form
150,806.26/208,183.57 = 87,131.75/x - Step 3: Cross multiply
150,806.26x = 208,183.57 × 87,131.75 - Step 4: Simplify right side
150,806.26x = 18,139,398,687.63 - Step 5: Solve for x
x = 18,139,398,687.63/150,806.26 - Step 6: Final answer
x = 120,282.80
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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.