Finding the Fourth Proportional to 159,722.37, 239,731.11 and 80,891.96
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Solution
The fourth proportional to 159,722.37, 239,731.11 and 80,891.96 is: 121,412.66
Step by Step Solution
- Step 1: Write the proportion equation
159,722.37 : 239,731.11 = 80,891.96 : x - Step 2: Convert to fraction form
159,722.37/239,731.11 = 80,891.96/x - Step 3: Cross multiply
159,722.37x = 239,731.11 × 80,891.96 - Step 4: Simplify right side
159,722.37x = 19,392,318,162.22 - Step 5: Solve for x
x = 19,392,318,162.22/159,722.37 - Step 6: Final answer
x = 121,412.66
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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.