Finding the Fourth Proportional to 269,791.13, 404,610.15 and 80,243.84
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Solution
The fourth proportional to 269,791.13, 404,610.15 and 80,243.84 is: 120,342.99
Step by Step Solution
- Step 1: Write the proportion equation
269,791.13 : 404,610.15 = 80,243.84 : x - Step 2: Convert to fraction form
269,791.13/404,610.15 = 80,243.84/x - Step 3: Cross multiply
269,791.13x = 404,610.15 × 80,243.84 - Step 4: Simplify right side
269,791.13x = 32,467,472,138.98 - Step 5: Solve for x
x = 32,467,472,138.98/269,791.13 - Step 6: Final answer
x = 120,342.99
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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.