Finding the Fourth Proportional to 115,589.04, 173,367.84 and 31,354.62
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Solution
The fourth proportional to 115,589.04, 173,367.84 and 31,354.62 is: 47,027.67
Step by Step Solution
- Step 1: Write the proportion equation
115,589.04 : 173,367.84 = 31,354.62 : x - Step 2: Convert to fraction form
115,589.04/173,367.84 = 31,354.62/x - Step 3: Cross multiply
115,589.04x = 173,367.84 × 31,354.62 - Step 4: Simplify right side
115,589.04x = 5,435,882,743.42 - Step 5: Solve for x
x = 5,435,882,743.42/115,589.04 - Step 6: Final answer
x = 47,027.67
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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.