Finding the Fourth Proportional to 80,324.80, 120,465.60 and 24,164.80
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Solution
The fourth proportional to 80,324.80, 120,465.60 and 24,164.80 is: 36,240.70
Step by Step Solution
- Step 1: Write the proportion equation
80,324.80 : 120,465.60 = 24,164.80 : x - Step 2: Convert to fraction form
80,324.80/120,465.60 = 24,164.80/x - Step 3: Cross multiply
80,324.80x = 120,465.60 × 24,164.80 - Step 4: Simplify right side
80,324.80x = 2,911,027,130.88 - Step 5: Solve for x
x = 2,911,027,130.88/80,324.80 - Step 6: Final answer
x = 36,240.70
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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.