Finding the Fourth Proportional to 284,249.23, 426,249.03 and 106,631.68
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Solution
The fourth proportional to 284,249.23, 426,249.03 and 106,631.68 is: 159,900.70
Step by Step Solution
- Step 1: Write the proportion equation
284,249.23 : 426,249.03 = 106,631.68 : x - Step 2: Convert to fraction form
284,249.23/426,249.03 = 106,631.68/x - Step 3: Cross multiply
284,249.23x = 426,249.03 × 106,631.68 - Step 4: Simplify right side
284,249.23x = 45,451,650,167.27 - Step 5: Solve for x
x = 45,451,650,167.27/284,249.23 - Step 6: Final answer
x = 159,900.70
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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.