Finding the Fourth Proportional to 227,232.40, 313,604.04 and 136,617.88
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Solution
The fourth proportional to 227,232.40, 313,604.04 and 136,617.88 is: 188,546.70
Step by Step Solution
- Step 1: Write the proportion equation
227,232.40 : 313,604.04 = 136,617.88 : x - Step 2: Convert to fraction form
227,232.40/313,604.04 = 136,617.88/x - Step 3: Cross multiply
227,232.40x = 313,604.04 × 136,617.88 - Step 4: Simplify right side
227,232.40x = 42,843,919,104.24 - Step 5: Solve for x
x = 42,843,919,104.24/227,232.40 - Step 6: Final answer
x = 188,546.70
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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.