Finding the Fourth Proportional to 225,107.67, 337,661.33 and 90,232.68
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Solution
The fourth proportional to 225,107.67, 337,661.33 and 90,232.68 is: 135,348.95
Step by Step Solution
- Step 1: Write the proportion equation
225,107.67 : 337,661.33 = 90,232.68 : x - Step 2: Convert to fraction form
225,107.67/337,661.33 = 90,232.68/x - Step 3: Cross multiply
225,107.67x = 337,661.33 × 90,232.68 - Step 4: Simplify right side
225,107.67x = 30,468,086,287.10 - Step 5: Solve for x
x = 30,468,086,287.10/225,107.67 - Step 6: Final answer
x = 135,348.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.