Finding the Fourth Proportional to 194,599.26, 268,546.86 and 105,175.26
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Solution
The fourth proportional to 194,599.26, 268,546.86 and 105,175.26 is: 145,141.79
Step by Step Solution
- Step 1: Write the proportion equation
194,599.26 : 268,546.86 = 105,175.26 : x - Step 2: Convert to fraction form
194,599.26/268,546.86 = 105,175.26/x - Step 3: Cross multiply
194,599.26x = 268,546.86 × 105,175.26 - Step 4: Simplify right side
194,599.26x = 28,244,485,822.68 - Step 5: Solve for x
x = 28,244,485,822.68/194,599.26 - Step 6: Final answer
x = 145,141.79
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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.