Finding the Fourth Proportional to 80,190.12, 120,244.68 and 26,863.68
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Solution
The fourth proportional to 80,190.12, 120,244.68 and 26,863.68 is: 40,281.95
Step by Step Solution
- Step 1: Write the proportion equation
80,190.12 : 120,244.68 = 26,863.68 : x - Step 2: Convert to fraction form
80,190.12/120,244.68 = 26,863.68/x - Step 3: Cross multiply
80,190.12x = 120,244.68 × 26,863.68 - Step 4: Simplify right side
80,190.12x = 3,230,214,605.22 - Step 5: Solve for x
x = 3,230,214,605.22/80,190.12 - Step 6: Final answer
x = 40,281.95
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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.