Finding the Fourth Proportional to 189,553.44, 261,578.74 and 104,668.68
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Solution
The fourth proportional to 189,553.44, 261,578.74 and 104,668.68 is: 144,440.01
Step by Step Solution
- Step 1: Write the proportion equation
189,553.44 : 261,578.74 = 104,668.68 : x - Step 2: Convert to fraction form
189,553.44/261,578.74 = 104,668.68/x - Step 3: Cross multiply
189,553.44x = 261,578.74 × 104,668.68 - Step 4: Simplify right side
189,553.44x = 27,379,101,431.86 - Step 5: Solve for x
x = 27,379,101,431.86/189,553.44 - Step 6: Final answer
x = 144,440.01
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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.