Finding the Fourth Proportional to 227,213.74, 313,680.36 and 136,591.48
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Solution
The fourth proportional to 227,213.74, 313,680.36 and 136,591.48 is: 188,571.63
Step by Step Solution
- Step 1: Write the proportion equation
227,213.74 : 313,680.36 = 136,591.48 : x - Step 2: Convert to fraction form
227,213.74/313,680.36 = 136,591.48/x - Step 3: Cross multiply
227,213.74x = 313,680.36 × 136,591.48 - Step 4: Simplify right side
227,213.74x = 42,846,064,619.33 - Step 5: Solve for x
x = 42,846,064,619.33/227,213.74 - Step 6: Final answer
x = 188,571.63
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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.