Finding the Fourth Proportional to 73,644.22, 110,472.68 and 20,336.18
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Solution
The fourth proportional to 73,644.22, 110,472.68 and 20,336.18 is: 30,506.02
Step by Step Solution
- Step 1: Write the proportion equation
73,644.22 : 110,472.68 = 20,336.18 : x - Step 2: Convert to fraction form
73,644.22/110,472.68 = 20,336.18/x - Step 3: Cross multiply
73,644.22x = 110,472.68 × 20,336.18 - Step 4: Simplify right side
73,644.22x = 2,246,592,305.56 - Step 5: Solve for x
x = 2,246,592,305.56/73,644.22 - Step 6: Final answer
x = 30,506.02
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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.