Finding the Fourth Proportional to 120,622.35, 180,933.99 and 50,452.44
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Solution
The fourth proportional to 120,622.35, 180,933.99 and 50,452.44 is: 75,678.85
Step by Step Solution
- Step 1: Write the proportion equation
120,622.35 : 180,933.99 = 50,452.44 : x - Step 2: Convert to fraction form
120,622.35/180,933.99 = 50,452.44/x - Step 3: Cross multiply
120,622.35x = 180,933.99 × 50,452.44 - Step 4: Simplify right side
120,622.35x = 9,128,561,274.44 - Step 5: Solve for x
x = 9,128,561,274.44/120,622.35 - Step 6: Final answer
x = 75,678.85
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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.