Finding the Fourth Proportional to 108,519.75, 162,778.55 and 29,633.99
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Solution
The fourth proportional to 108,519.75, 162,778.55 and 29,633.99 is: 44,450.68
Step by Step Solution
- Step 1: Write the proportion equation
108,519.75 : 162,778.55 = 29,633.99 : x - Step 2: Convert to fraction form
108,519.75/162,778.55 = 29,633.99/x - Step 3: Cross multiply
108,519.75x = 162,778.55 × 29,633.99 - Step 4: Simplify right side
108,519.75x = 4,823,776,960.85 - Step 5: Solve for x
x = 4,823,776,960.85/108,519.75 - Step 6: Final answer
x = 44,450.68
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1.5x scale
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.