Finding the Fourth Proportional to 189,169.92, 283,557.60 and 70,789.68
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Solution
The fourth proportional to 189,169.92, 283,557.60 and 70,789.68 is: 106,110.70
Step by Step Solution
- Step 1: Write the proportion equation
189,169.92 : 283,557.60 = 70,789.68 : x - Step 2: Convert to fraction form
189,169.92/283,557.60 = 70,789.68/x - Step 3: Cross multiply
189,169.92x = 283,557.60 × 70,789.68 - Step 4: Simplify right side
189,169.92x = 20,072,951,765.57 - Step 5: Solve for x
x = 20,072,951,765.57/189,169.92 - Step 6: Final answer
x = 106,110.70
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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.