Finding the Fourth Proportional to 120,620.35, 180,930.99 and 50,450.44
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Solution
The fourth proportional to 120,620.35, 180,930.99 and 50,450.44 is: 75,675.85
Step by Step Solution
- Step 1: Write the proportion equation
120,620.35 : 180,930.99 = 50,450.44 : x - Step 2: Convert to fraction form
120,620.35/180,930.99 = 50,450.44/x - Step 3: Cross multiply
120,620.35x = 180,930.99 × 50,450.44 - Step 4: Simplify right side
120,620.35x = 9,128,048,055.14 - Step 5: Solve for x
x = 9,128,048,055.14/120,620.35 - Step 6: Final answer
x = 75,675.85
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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.