Finding the Fourth Proportional to 120,626.08, 180,965.36 and 50,469.28
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Solution
The fourth proportional to 120,626.08, 180,965.36 and 50,469.28 is: 75,714.90
Step by Step Solution
- Step 1: Write the proportion equation
120,626.08 : 180,965.36 = 50,469.28 : x - Step 2: Convert to fraction form
120,626.08/180,965.36 = 50,469.28/x - Step 3: Cross multiply
120,626.08x = 180,965.36 × 50,469.28 - Step 4: Simplify right side
120,626.08x = 9,133,191,424.14 - Step 5: Solve for x
x = 9,133,191,424.14/120,626.08 - Step 6: Final answer
x = 75,714.90
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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.