Finding the Fourth Proportional to 115,758.24, 173,640.99 and 39,855.96
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Solution
The fourth proportional to 115,758.24, 173,640.99 and 39,855.96 is: 59,785.19
Step by Step Solution
- Step 1: Write the proportion equation
115,758.24 : 173,640.99 = 39,855.96 : x - Step 2: Convert to fraction form
115,758.24/173,640.99 = 39,855.96/x - Step 3: Cross multiply
115,758.24x = 173,640.99 × 39,855.96 - Step 4: Simplify right side
115,758.24x = 6,920,628,351.80 - Step 5: Solve for x
x = 6,920,628,351.80/115,758.24 - Step 6: Final answer
x = 59,785.19
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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.