Finding the Fourth Proportional to 284,566.20, 425,927.70 and 201,622.20
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Solution
The fourth proportional to 284,566.20, 425,927.70 and 201,622.20 is: 301,780.32
Step by Step Solution
- Step 1: Write the proportion equation
284,566.20 : 425,927.70 = 201,622.20 : x - Step 2: Convert to fraction form
284,566.20/425,927.70 = 201,622.20/x - Step 3: Cross multiply
284,566.20x = 425,927.70 × 201,622.20 - Step 4: Simplify right side
284,566.20x = 85,876,479,914.94 - Step 5: Solve for x
x = 85,876,479,914.94/284,566.20 - Step 6: Final answer
x = 301,780.32
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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.