Finding the Fourth Proportional to 304,107.20, 455,469.60 and 192,132.80
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Solution
The fourth proportional to 304,107.20, 455,469.60 and 192,132.80 is: 287,762.50
Step by Step Solution
- Step 1: Write the proportion equation
304,107.20 : 455,469.60 = 192,132.80 : x - Step 2: Convert to fraction form
304,107.20/455,469.60 = 192,132.80/x - Step 3: Cross multiply
304,107.20x = 455,469.60 × 192,132.80 - Step 4: Simplify right side
304,107.20x = 87,510,649,562.88 - Step 5: Solve for x
x = 87,510,649,562.88/304,107.20 - Step 6: Final answer
x = 287,762.50
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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.