Finding the Fourth Proportional to 300,096.42, 449,644.85 and 211,163.09
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Solution
The fourth proportional to 300,096.42, 449,644.85 and 211,163.09 is: 316,392.96
Step by Step Solution
- Step 1: Write the proportion equation
300,096.42 : 449,644.85 = 211,163.09 : x - Step 2: Convert to fraction form
300,096.42/449,644.85 = 211,163.09/x - Step 3: Cross multiply
300,096.42x = 449,644.85 × 211,163.09 - Step 4: Simplify right side
300,096.42x = 94,948,394,208.27 - Step 5: Solve for x
x = 94,948,394,208.27/300,096.42 - Step 6: Final answer
x = 316,392.96
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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.