Finding the Fourth Proportional to 122,620.26, 183,930.80 and 33,871.80
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Solution
The fourth proportional to 122,620.26, 183,930.80 and 33,871.80 is: 50,807.81
Step by Step Solution
- Step 1: Write the proportion equation
122,620.26 : 183,930.80 = 33,871.80 : x - Step 2: Convert to fraction form
122,620.26/183,930.80 = 33,871.80/x - Step 3: Cross multiply
122,620.26x = 183,930.80 × 33,871.80 - Step 4: Simplify right side
122,620.26x = 6,230,067,271.44 - Step 5: Solve for x
x = 6,230,067,271.44/122,620.26 - Step 6: Final answer
x = 50,807.81
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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.