Finding the Fourth Proportional to 189,369.87, 261,330.24 and 104,486.94
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Solution
The fourth proportional to 189,369.87, 261,330.24 and 104,486.94 is: 144,191.88
Step by Step Solution
- Step 1: Write the proportion equation
189,369.87 : 261,330.24 = 104,486.94 : x - Step 2: Convert to fraction form
189,369.87/261,330.24 = 104,486.94/x - Step 3: Cross multiply
189,369.87x = 261,330.24 × 104,486.94 - Step 4: Simplify right side
189,369.87x = 27,305,597,107.07 - Step 5: Solve for x
x = 27,305,597,107.07/189,369.87 - Step 6: Final answer
x = 144,191.88
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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.