Finding the Fourth Proportional to 201,251.85, 277,721.67 and 115,207.98
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Solution
The fourth proportional to 201,251.85, 277,721.67 and 115,207.98 is: 158,983.64
Step by Step Solution
- Step 1: Write the proportion equation
201,251.85 : 277,721.67 = 115,207.98 : x - Step 2: Convert to fraction form
201,251.85/277,721.67 = 115,207.98/x - Step 3: Cross multiply
201,251.85x = 277,721.67 × 115,207.98 - Step 4: Simplify right side
201,251.85x = 31,995,752,450.57 - Step 5: Solve for x
x = 31,995,752,450.57/201,251.85 - Step 6: Final answer
x = 158,983.64
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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.