Finding the Fourth Proportional to 75,439.44, 113,180.36 and 22,132.70
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Solution
The fourth proportional to 75,439.44, 113,180.36 and 22,132.70 is: 33,205.26
Step by Step Solution
- Step 1: Write the proportion equation
75,439.44 : 113,180.36 = 22,132.70 : x - Step 2: Convert to fraction form
75,439.44/113,180.36 = 22,132.70/x - Step 3: Cross multiply
75,439.44x = 113,180.36 × 22,132.70 - Step 4: Simplify right side
75,439.44x = 2,504,986,277.21 - Step 5: Solve for x
x = 2,504,986,277.21/75,439.44 - Step 6: Final answer
x = 33,205.26
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1.5x scale
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.