Finding the Fourth Proportional to 189,372.12, 261,338.97 and 104,494.65
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Solution
The fourth proportional to 189,372.12, 261,338.97 and 104,494.65 is: 144,205.62
Step by Step Solution
- Step 1: Write the proportion equation
189,372.12 : 261,338.97 = 104,494.65 : x - Step 2: Convert to fraction form
189,372.12/261,338.97 = 104,494.65/x - Step 3: Cross multiply
189,372.12x = 261,338.97 × 104,494.65 - Step 4: Simplify right side
189,372.12x = 27,308,524,201.51 - Step 5: Solve for x
x = 27,308,524,201.51/189,372.12 - Step 6: Final answer
x = 144,205.62
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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.