Finding the Fourth Proportional to 189,198.77, 261,096.07 and 104,318.85
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Solution
The fourth proportional to 189,198.77, 261,096.07 and 104,318.85 is: 143,960.99
Step by Step Solution
- Step 1: Write the proportion equation
189,198.77 : 261,096.07 = 104,318.85 : x - Step 2: Convert to fraction form
189,198.77/261,096.07 = 104,318.85/x - Step 3: Cross multiply
189,198.77x = 261,096.07 × 104,318.85 - Step 4: Simplify right side
189,198.77x = 27,237,241,761.92 - Step 5: Solve for x
x = 27,237,241,761.92/189,198.77 - Step 6: Final answer
x = 143,960.99
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1.5x scale
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.