Finding the Fourth Proportional to 299,704.14, 449,207.05 and 110,021.38
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Solution
The fourth proportional to 299,704.14, 449,207.05 and 110,021.38 is: 164,903.89
Step by Step Solution
- Step 1: Write the proportion equation
299,704.14 : 449,207.05 = 110,021.38 : x - Step 2: Convert to fraction form
299,704.14/449,207.05 = 110,021.38/x - Step 3: Cross multiply
299,704.14x = 449,207.05 × 110,021.38 - Step 4: Simplify right side
299,704.14x = 49,422,379,546.73 - Step 5: Solve for x
x = 49,422,379,546.73/299,704.14 - Step 6: Final answer
x = 164,903.89
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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.