Finding the Fourth Proportional to 122,911.80, 184,367.70 and 44,028.60
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Solution
The fourth proportional to 122,911.80, 184,367.70 and 44,028.60 is: 66,042.90
Step by Step Solution
- Step 1: Write the proportion equation
122,911.80 : 184,367.70 = 44,028.60 : x - Step 2: Convert to fraction form
122,911.80/184,367.70 = 44,028.60/x - Step 3: Cross multiply
122,911.80x = 184,367.70 × 44,028.60 - Step 4: Simplify right side
122,911.80x = 8,117,451,716.22 - Step 5: Solve for x
x = 8,117,451,716.22/122,911.80 - Step 6: Final answer
x = 66,042.90
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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.