Finding the Fourth Proportional to 115,416.69, 173,107.68 and 36,520.65
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Solution
The fourth proportional to 115,416.69, 173,107.68 and 36,520.65 is: 54,775.48
Step by Step Solution
- Step 1: Write the proportion equation
115,416.69 : 173,107.68 = 36,520.65 : x - Step 2: Convert to fraction form
115,416.69/173,107.68 = 36,520.65/x - Step 3: Cross multiply
115,416.69x = 173,107.68 × 36,520.65 - Step 4: Simplify right side
115,416.69x = 6,322,004,993.59 - Step 5: Solve for x
x = 6,322,004,993.59/115,416.69 - Step 6: Final answer
x = 54,775.48
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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.