Finding the Fourth Proportional to 227,087.97, 313,366.35 and 136,447.75
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Solution
The fourth proportional to 227,087.97, 313,366.35 and 136,447.75 is: 188,288.86
Step by Step Solution
- Step 1: Write the proportion equation
227,087.97 : 313,366.35 = 136,447.75 : x - Step 2: Convert to fraction form
227,087.97/313,366.35 = 136,447.75/x - Step 3: Cross multiply
227,087.97x = 313,366.35 × 136,447.75 - Step 4: Simplify right side
227,087.97x = 42,758,133,383.21 - Step 5: Solve for x
x = 42,758,133,383.21/227,087.97 - Step 6: Final answer
x = 188,288.86
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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.