Finding the Fourth Proportional to 120,599.36, 180,882.28 and 84,466.37
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Solution
The fourth proportional to 120,599.36, 180,882.28 and 84,466.37 is: 126,687.82
Step by Step Solution
- Step 1: Write the proportion equation
120,599.36 : 180,882.28 = 84,466.37 : x - Step 2: Convert to fraction form
120,599.36/180,882.28 = 84,466.37/x - Step 3: Cross multiply
120,599.36x = 180,882.28 × 84,466.37 - Step 4: Simplify right side
120,599.36x = 15,278,469,588.92 - Step 5: Solve for x
x = 15,278,469,588.92/120,599.36 - Step 6: Final answer
x = 126,687.82
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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.