Finding the Fourth Proportional to 194,173.70, 291,270.15 and 100,861.70
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Solution
The fourth proportional to 194,173.70, 291,270.15 and 100,861.70 is: 151,297.54
Step by Step Solution
- Step 1: Write the proportion equation
194,173.70 : 291,270.15 = 100,861.70 : x - Step 2: Convert to fraction form
194,173.70/291,270.15 = 100,861.70/x - Step 3: Cross multiply
194,173.70x = 291,270.15 × 100,861.70 - Step 4: Simplify right side
194,173.70x = 29,378,002,488.26 - Step 5: Solve for x
x = 29,378,002,488.26/194,173.70 - Step 6: Final answer
x = 151,297.54
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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.