Finding the Fourth Proportional to 287,173.44, 430,760.26 and 129,217.37
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Solution
The fourth proportional to 287,173.44, 430,760.26 and 129,217.37 is: 193,826.09
Step by Step Solution
- Step 1: Write the proportion equation
287,173.44 : 430,760.26 = 129,217.37 : x - Step 2: Convert to fraction form
287,173.44/430,760.26 = 129,217.37/x - Step 3: Cross multiply
287,173.44x = 430,760.26 × 129,217.37 - Step 4: Simplify right side
287,173.44x = 55,661,705,905.44 - Step 5: Solve for x
x = 55,661,705,905.44/287,173.44 - Step 6: Final answer
x = 193,826.09
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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.