Finding the Fourth Proportional to 80,219.16, 120,327.12 and 27,627.48
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Solution
The fourth proportional to 80,219.16, 120,327.12 and 27,627.48 is: 41,440.66
Step by Step Solution
- Step 1: Write the proportion equation
80,219.16 : 120,327.12 = 27,627.48 : x - Step 2: Convert to fraction form
80,219.16/120,327.12 = 27,627.48/x - Step 3: Cross multiply
80,219.16x = 120,327.12 × 27,627.48 - Step 4: Simplify right side
80,219.16x = 3,324,335,101.26 - Step 5: Solve for x
x = 3,324,335,101.26/80,219.16 - Step 6: Final answer
x = 41,440.66
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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.