Finding the Fourth Proportional to 273,704.10, 410,553.30 and 86,715.60
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Solution
The fourth proportional to 273,704.10, 410,553.30 and 86,715.60 is: 130,072.50
Step by Step Solution
- Step 1: Write the proportion equation
273,704.10 : 410,553.30 = 86,715.60 : x - Step 2: Convert to fraction form
273,704.10/410,553.30 = 86,715.60/x - Step 3: Cross multiply
273,704.10x = 410,553.30 × 86,715.60 - Step 4: Simplify right side
273,704.10x = 35,601,375,741.48 - Step 5: Solve for x
x = 35,601,375,741.48/273,704.10 - Step 6: Final answer
x = 130,072.50
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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.