Finding the Fourth Proportional to 192,108.80, 288,163.20 and 180,435.20
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Solution
The fourth proportional to 192,108.80, 288,163.20 and 180,435.20 is: 270,652.80
Step by Step Solution
- Step 1: Write the proportion equation
192,108.80 : 288,163.20 = 180,435.20 : x - Step 2: Convert to fraction form
192,108.80/288,163.20 = 180,435.20/x - Step 3: Cross multiply
192,108.80x = 288,163.20 × 180,435.20 - Step 4: Simplify right side
192,108.80x = 51,994,784,624.64 - Step 5: Solve for x
x = 51,994,784,624.64/192,108.80 - Step 6: Final answer
x = 270,652.80
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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.