Finding the Fourth Proportional to 115,624.97, 173,400.54 and 36,720.75
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Solution
The fourth proportional to 115,624.97, 173,400.54 and 36,720.75 is: 55,069.40
Step by Step Solution
- Step 1: Write the proportion equation
115,624.97 : 173,400.54 = 36,720.75 : x - Step 2: Convert to fraction form
115,624.97/173,400.54 = 36,720.75/x - Step 3: Cross multiply
115,624.97x = 173,400.54 × 36,720.75 - Step 4: Simplify right side
115,624.97x = 6,367,397,879.21 - Step 5: Solve for x
x = 6,367,397,879.21/115,624.97 - Step 6: Final answer
x = 55,069.40
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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.