Finding the Fourth Proportional to 225,922.12, 338,662.84 and 107,561.68
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Solution
The fourth proportional to 225,922.12, 338,662.84 and 107,561.68 is: 161,237.62
Step by Step Solution
- Step 1: Write the proportion equation
225,922.12 : 338,662.84 = 107,561.68 : x - Step 2: Convert to fraction form
225,922.12/338,662.84 = 107,561.68/x - Step 3: Cross multiply
225,922.12x = 338,662.84 × 107,561.68 - Step 4: Simplify right side
225,922.12x = 36,427,144,023.97 - Step 5: Solve for x
x = 36,427,144,023.97/225,922.12 - Step 6: Final answer
x = 161,237.62
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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.