Finding the Fourth Proportional to 73,748.28, 110,622.84 and 18,344.28
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Solution
The fourth proportional to 73,748.28, 110,622.84 and 18,344.28 is: 27,516.52
Step by Step Solution
- Step 1: Write the proportion equation
73,748.28 : 110,622.84 = 18,344.28 : x - Step 2: Convert to fraction form
73,748.28/110,622.84 = 18,344.28/x - Step 3: Cross multiply
73,748.28x = 110,622.84 × 18,344.28 - Step 4: Simplify right side
73,748.28x = 2,029,296,351.36 - Step 5: Solve for x
x = 2,029,296,351.36/73,748.28 - Step 6: Final answer
x = 27,516.52
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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.