Finding the Fourth Proportional to 80,339.91, 120,512.99 and 24,188.01
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Solution
The fourth proportional to 80,339.91, 120,512.99 and 24,188.01 is: 36,282.96
Step by Step Solution
- Step 1: Write the proportion equation
80,339.91 : 120,512.99 = 24,188.01 : x - Step 2: Convert to fraction form
80,339.91/120,512.99 = 24,188.01/x - Step 3: Cross multiply
80,339.91x = 120,512.99 × 24,188.01 - Step 4: Simplify right side
80,339.91x = 2,914,969,407.25 - Step 5: Solve for x
x = 2,914,969,407.25/80,339.91 - Step 6: Final answer
x = 36,282.96
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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.