Finding the Fourth Proportional to 269,780.26, 404,670.06 and 80,239.84
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Solution
The fourth proportional to 269,780.26, 404,670.06 and 80,239.84 is: 120,359.66
Step by Step Solution
- Step 1: Write the proportion equation
269,780.26 : 404,670.06 = 80,239.84 : x - Step 2: Convert to fraction form
269,780.26/404,670.06 = 80,239.84/x - Step 3: Cross multiply
269,780.26x = 404,670.06 × 80,239.84 - Step 4: Simplify right side
269,780.26x = 32,470,660,867.19 - Step 5: Solve for x
x = 32,470,660,867.19/269,780.26 - Step 6: Final answer
x = 120,359.66
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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.