Finding the Fourth Proportional to 189,332.97, 261,279.48 and 104,450.03
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Solution
The fourth proportional to 189,332.97, 261,279.48 and 104,450.03 is: 144,141.03
Step by Step Solution
- Step 1: Write the proportion equation
189,332.97 : 261,279.48 = 104,450.03 : x - Step 2: Convert to fraction form
189,332.97/261,279.48 = 104,450.03/x - Step 3: Cross multiply
189,332.97x = 261,279.48 × 104,450.03 - Step 4: Simplify right side
189,332.97x = 27,290,649,524.38 - Step 5: Solve for x
x = 27,290,649,524.38/189,332.97 - Step 6: Final answer
x = 144,141.03
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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.