Finding the Fourth Proportional to 250,660.26, 345,715.65 and 155,219.94
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Solution
The fourth proportional to 250,660.26, 345,715.65 and 155,219.94 is: 214,082.45
Step by Step Solution
- Step 1: Write the proportion equation
250,660.26 : 345,715.65 = 155,219.94 : x - Step 2: Convert to fraction form
250,660.26/345,715.65 = 155,219.94/x - Step 3: Cross multiply
250,660.26x = 345,715.65 × 155,219.94 - Step 4: Simplify right side
250,660.26x = 53,661,962,450.06 - Step 5: Solve for x
x = 53,661,962,450.06/250,660.26 - Step 6: Final answer
x = 214,082.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.