Finding the Fourth Proportional to 173,147.20, 259,720.80 and 54,827.80
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Solution
The fourth proportional to 173,147.20, 259,720.80 and 54,827.80 is: 82,241.70
Step by Step Solution
- Step 1: Write the proportion equation
173,147.20 : 259,720.80 = 54,827.80 : x - Step 2: Convert to fraction form
173,147.20/259,720.80 = 54,827.80/x - Step 3: Cross multiply
173,147.20x = 259,720.80 × 54,827.80 - Step 4: Simplify right side
173,147.20x = 14,239,920,078.24 - Step 5: Solve for x
x = 14,239,920,078.24/173,147.20 - Step 6: Final answer
x = 82,241.70
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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.