Finding the Fourth Proportional to 80,489.10, 120,750.93 and 24,324.78
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Solution
The fourth proportional to 80,489.10, 120,750.93 and 24,324.78 is: 36,492.39
Step by Step Solution
- Step 1: Write the proportion equation
80,489.10 : 120,750.93 = 24,324.78 : x - Step 2: Convert to fraction form
80,489.10/120,750.93 = 24,324.78/x - Step 3: Cross multiply
80,489.10x = 120,750.93 × 24,324.78 - Step 4: Simplify right side
80,489.10x = 2,937,239,807.05 - Step 5: Solve for x
x = 2,937,239,807.05/80,489.10 - Step 6: Final answer
x = 36,492.39
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1.5x scale
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.