Finding the Fourth Proportional to 159,250.14, 219,764.76 and 87,634.80
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Solution
The fourth proportional to 159,250.14, 219,764.76 and 87,634.80 is: 120,935.79
Step by Step Solution
- Step 1: Write the proportion equation
159,250.14 : 219,764.76 = 87,634.80 : x - Step 2: Convert to fraction form
159,250.14/219,764.76 = 87,634.80/x - Step 3: Cross multiply
159,250.14x = 219,764.76 × 87,634.80 - Step 4: Simplify right side
159,250.14x = 19,259,040,789.65 - Step 5: Solve for x
x = 19,259,040,789.65/159,250.14 - Step 6: Final answer
x = 120,935.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.