Finding the Fourth Proportional to 80,163.12, 120,261.08 and 27,565.77
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Solution
The fourth proportional to 80,163.12, 120,261.08 and 27,565.77 is: 41,354.29
Step by Step Solution
- Step 1: Write the proportion equation
80,163.12 : 120,261.08 = 27,565.77 : x - Step 2: Convert to fraction form
80,163.12/120,261.08 = 27,565.77/x - Step 3: Cross multiply
80,163.12x = 120,261.08 × 27,565.77 - Step 4: Simplify right side
80,163.12x = 3,315,089,271.23 - Step 5: Solve for x
x = 3,315,089,271.23/80,163.12 - Step 6: Final answer
x = 41,354.29
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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.