Finding the Fourth Proportional to 194,107.76, 267,872.80 and 109,224.80
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Solution
The fourth proportional to 194,107.76, 267,872.80 and 109,224.80 is: 150,732.53
Step by Step Solution
- Step 1: Write the proportion equation
194,107.76 : 267,872.80 = 109,224.80 : x - Step 2: Convert to fraction form
194,107.76/267,872.80 = 109,224.80/x - Step 3: Cross multiply
194,107.76x = 267,872.80 × 109,224.80 - Step 4: Simplify right side
194,107.76x = 29,258,353,005.44 - Step 5: Solve for x
x = 29,258,353,005.44/194,107.76 - Step 6: Final answer
x = 150,732.53
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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.