Finding the Fourth Proportional to 189,311.38, 283,464.06 and 114,330.09
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Solution
The fourth proportional to 189,311.38, 283,464.06 and 114,330.09 is: 171,191.35
Step by Step Solution
- Step 1: Write the proportion equation
189,311.38 : 283,464.06 = 114,330.09 : x - Step 2: Convert to fraction form
189,311.38/283,464.06 = 114,330.09/x - Step 3: Cross multiply
189,311.38x = 283,464.06 × 114,330.09 - Step 4: Simplify right side
189,311.38x = 32,408,471,388.81 - Step 5: Solve for x
x = 32,408,471,388.81/189,311.38 - Step 6: Final answer
x = 171,191.35
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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.