Finding the Fourth Proportional to 159,944.28, 239,861.82 and 115,438.84
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Solution
The fourth proportional to 159,944.28, 239,861.82 and 115,438.84 is: 173,118.85
Step by Step Solution
- Step 1: Write the proportion equation
159,944.28 : 239,861.82 = 115,438.84 : x - Step 2: Convert to fraction form
159,944.28/239,861.82 = 115,438.84/x - Step 3: Cross multiply
159,944.28x = 239,861.82 × 115,438.84 - Step 4: Simplify right side
159,944.28x = 27,689,370,261.09 - Step 5: Solve for x
x = 27,689,370,261.09/159,944.28 - Step 6: Final answer
x = 173,118.85
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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.