Finding the Fourth Proportional to 326,857.24, 450,933.29 and 189,010.69
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Solution
The fourth proportional to 326,857.24, 450,933.29 and 189,010.69 is: 260,759.75
Step by Step Solution
- Step 1: Write the proportion equation
326,857.24 : 450,933.29 = 189,010.69 : x - Step 2: Convert to fraction form
326,857.24/450,933.29 = 189,010.69/x - Step 3: Cross multiply
326,857.24x = 450,933.29 × 189,010.69 - Step 4: Simplify right side
326,857.24x = 85,231,212,286.87 - Step 5: Solve for x
x = 85,231,212,286.87/326,857.24 - Step 6: Final answer
x = 260,759.75
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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.