Finding the Fourth Proportional to 194,379.81, 268,245.39 and 108,344.26
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Solution
The fourth proportional to 194,379.81, 268,245.39 and 108,344.26 is: 149,515.77
Step by Step Solution
- Step 1: Write the proportion equation
194,379.81 : 268,245.39 = 108,344.26 : x - Step 2: Convert to fraction form
194,379.81/268,245.39 = 108,344.26/x - Step 3: Cross multiply
194,379.81x = 268,245.39 × 108,344.26 - Step 4: Simplify right side
194,379.81x = 29,062,847,404.20 - Step 5: Solve for x
x = 29,062,847,404.20/194,379.81 - Step 6: Final answer
x = 149,515.77
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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.