Finding the Fourth Proportional to 80,456.53, 120,685.68 and 24,297.12
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Solution
The fourth proportional to 80,456.53, 120,685.68 and 24,297.12 is: 36,445.95
Step by Step Solution
- Step 1: Write the proportion equation
80,456.53 : 120,685.68 = 24,297.12 : x - Step 2: Convert to fraction form
80,456.53/120,685.68 = 24,297.12/x - Step 3: Cross multiply
80,456.53x = 120,685.68 × 24,297.12 - Step 4: Simplify right side
80,456.53x = 2,932,314,449.24 - Step 5: Solve for x
x = 2,932,314,449.24/80,456.53 - Step 6: Final answer
x = 36,445.95
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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.