Finding the Fourth Proportional to 203,923.71, 305,540.37 and 124,872.84
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Solution
The fourth proportional to 203,923.71, 305,540.37 and 124,872.84 is: 187,097.88
Step by Step Solution
- Step 1: Write the proportion equation
203,923.71 : 305,540.37 = 124,872.84 : x - Step 2: Convert to fraction form
203,923.71/305,540.37 = 124,872.84/x - Step 3: Cross multiply
203,923.71x = 305,540.37 × 124,872.84 - Step 4: Simplify right side
203,923.71x = 38,153,693,736.55 - Step 5: Solve for x
x = 38,153,693,736.55/203,923.71 - Step 6: Final answer
x = 187,097.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.