Finding the Fourth Proportional to 100,322.45, 150,489.81 and 33,756.99
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Solution
The fourth proportional to 100,322.45, 150,489.81 and 33,756.99 is: 50,637.55
Step by Step Solution
- Step 1: Write the proportion equation
100,322.45 : 150,489.81 = 33,756.99 : x - Step 2: Convert to fraction form
100,322.45/150,489.81 = 33,756.99/x - Step 3: Cross multiply
100,322.45x = 150,489.81 × 33,756.99 - Step 4: Simplify right side
100,322.45x = 5,080,082,842.49 - Step 5: Solve for x
x = 5,080,082,842.49/100,322.45 - Step 6: Final answer
x = 50,637.55
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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.