Finding the Fourth Proportional to 115,682.38, 173,435.58 and 80,048.99
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Solution
The fourth proportional to 115,682.38, 173,435.58 and 80,048.99 is: 120,012.60
Step by Step Solution
- Step 1: Write the proportion equation
115,682.38 : 173,435.58 = 80,048.99 : x - Step 2: Convert to fraction form
115,682.38/173,435.58 = 80,048.99/x - Step 3: Cross multiply
115,682.38x = 173,435.58 × 80,048.99 - Step 4: Simplify right side
115,682.38x = 13,883,343,442.65 - Step 5: Solve for x
x = 13,883,343,442.65/115,682.38 - Step 6: Final answer
x = 120,012.60
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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.