Finding the Fourth Proportional to 80,464.28, 120,669.62 and 27,141.84
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Solution
The fourth proportional to 80,464.28, 120,669.62 and 27,141.84 is: 40,703.72
Step by Step Solution
- Step 1: Write the proportion equation
80,464.28 : 120,669.62 = 27,141.84 : x - Step 2: Convert to fraction form
80,464.28/120,669.62 = 27,141.84/x - Step 3: Cross multiply
80,464.28x = 120,669.62 × 27,141.84 - Step 4: Simplify right side
80,464.28x = 3,275,195,383.19 - Step 5: Solve for x
x = 3,275,195,383.19/80,464.28 - Step 6: Final answer
x = 40,703.72
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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.