Finding the Fourth Proportional to 201,224.20, 301,836.30 and 198,113.80
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Solution
The fourth proportional to 201,224.20, 301,836.30 and 198,113.80 is: 297,170.70
Step by Step Solution
- Step 1: Write the proportion equation
201,224.20 : 301,836.30 = 198,113.80 : x - Step 2: Convert to fraction form
201,224.20/301,836.30 = 198,113.80/x - Step 3: Cross multiply
201,224.20x = 301,836.30 × 198,113.80 - Step 4: Simplify right side
201,224.20x = 59,797,936,370.94 - Step 5: Solve for x
x = 59,797,936,370.94/201,224.20 - Step 6: Final answer
x = 297,170.70
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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.