Finding the Fourth Proportional to 73,198.50, 109,797.81 and 20,607.99
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Solution
The fourth proportional to 73,198.50, 109,797.81 and 20,607.99 is: 30,912.00
Step by Step Solution
- Step 1: Write the proportion equation
73,198.50 : 109,797.81 = 20,607.99 : x - Step 2: Convert to fraction form
73,198.50/109,797.81 = 20,607.99/x - Step 3: Cross multiply
73,198.50x = 109,797.81 × 20,607.99 - Step 4: Simplify right side
73,198.50x = 2,262,712,170.50 - Step 5: Solve for x
x = 2,262,712,170.50/73,198.50 - Step 6: Final answer
x = 30,912.00
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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.