Finding the Fourth Proportional to 201,226.20, 301,839.30 and 198,115.80
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Solution
The fourth proportional to 201,226.20, 301,839.30 and 198,115.80 is: 297,173.70
Step by Step Solution
- Step 1: Write the proportion equation
201,226.20 : 301,839.30 = 198,115.80 : x - Step 2: Convert to fraction form
201,226.20/301,839.30 = 198,115.80/x - Step 3: Cross multiply
201,226.20x = 301,839.30 × 198,115.80 - Step 4: Simplify right side
201,226.20x = 59,799,134,390.94 - Step 5: Solve for x
x = 59,799,134,390.94/201,226.20 - Step 6: Final answer
x = 297,173.70
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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.