Finding the Fourth Proportional to 194,408.30, 268,299.01 and 108,395.15
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Solution
The fourth proportional to 194,408.30, 268,299.01 and 108,395.15 is: 149,593.99
Step by Step Solution
- Step 1: Write the proportion equation
194,408.30 : 268,299.01 = 108,395.15 : x - Step 2: Convert to fraction form
194,408.30/268,299.01 = 108,395.15/x - Step 3: Cross multiply
194,408.30x = 268,299.01 × 108,395.15 - Step 4: Simplify right side
194,408.30x = 29,082,311,833.56 - Step 5: Solve for x
x = 29,082,311,833.56/194,408.30 - Step 6: Final answer
x = 149,593.99
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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.