Finding the Fourth Proportional to 80,305.21, 110,816.52 and 44,493.08
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Solution
The fourth proportional to 80,305.21, 110,816.52 and 44,493.08 is: 61,397.87
Step by Step Solution
- Step 1: Write the proportion equation
80,305.21 : 110,816.52 = 44,493.08 : x - Step 2: Convert to fraction form
80,305.21/110,816.52 = 44,493.08/x - Step 3: Cross multiply
80,305.21x = 110,816.52 × 44,493.08 - Step 4: Simplify right side
80,305.21x = 4,930,568,289.68 - Step 5: Solve for x
x = 4,930,568,289.68/80,305.21 - Step 6: Final answer
x = 61,397.87
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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.