Finding the Fourth Proportional to 321,236.74, 481,816.84 and 84,597.87
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Solution
The fourth proportional to 321,236.74, 481,816.84 and 84,597.87 is: 126,886.73
Step by Step Solution
- Step 1: Write the proportion equation
321,236.74 : 481,816.84 = 84,597.87 : x - Step 2: Convert to fraction form
321,236.74/481,816.84 = 84,597.87/x - Step 3: Cross multiply
321,236.74x = 481,816.84 × 84,597.87 - Step 4: Simplify right side
321,236.74x = 40,760,678,394.13 - Step 5: Solve for x
x = 40,760,678,394.13/321,236.74 - Step 6: Final answer
x = 126,886.73
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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.