Finding the Fourth Proportional to 231,722.54, 347,715.19 and 125,105.08
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Solution
The fourth proportional to 231,722.54, 347,715.19 and 125,105.08 is: 187,728.55
Step by Step Solution
- Step 1: Write the proportion equation
231,722.54 : 347,715.19 = 125,105.08 : x - Step 2: Convert to fraction form
231,722.54/347,715.19 = 125,105.08/x - Step 3: Cross multiply
231,722.54x = 347,715.19 × 125,105.08 - Step 4: Simplify right side
231,722.54x = 43,500,936,662.17 - Step 5: Solve for x
x = 43,500,936,662.17/231,722.54 - Step 6: Final answer
x = 187,728.55
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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.