Finding the Fourth Proportional to 194,728.26, 268,725.04 and 105,304.26
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Solution
The fourth proportional to 194,728.26, 268,725.04 and 105,304.26 is: 145,319.90
Step by Step Solution
- Step 1: Write the proportion equation
194,728.26 : 268,725.04 = 105,304.26 : x - Step 2: Convert to fraction form
194,728.26/268,725.04 = 105,304.26/x - Step 3: Cross multiply
194,728.26x = 268,725.04 × 105,304.26 - Step 4: Simplify right side
194,728.26x = 28,297,891,480.67 - Step 5: Solve for x
x = 28,297,891,480.67/194,728.26 - Step 6: Final answer
x = 145,319.90
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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.