Finding the Fourth Proportional to 99,295.67, 149,049.62 and 40,169.99
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Solution
The fourth proportional to 99,295.67, 149,049.62 and 40,169.99 is: 60,297.91
Step by Step Solution
- Step 1: Write the proportion equation
99,295.67 : 149,049.62 = 40,169.99 : x - Step 2: Convert to fraction form
99,295.67/149,049.62 = 40,169.99/x - Step 3: Cross multiply
99,295.67x = 149,049.62 × 40,169.99 - Step 4: Simplify right side
99,295.67x = 5,987,321,544.05 - Step 5: Solve for x
x = 5,987,321,544.05/99,295.67 - Step 6: Final answer
x = 60,297.91
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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.