Finding the Fourth Proportional to 213,694.74, 296,247.29 and 202,318.69
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Solution
The fourth proportional to 213,694.74, 296,247.29 and 202,318.69 is: 280,476.56
Step by Step Solution
- Step 1: Write the proportion equation
213,694.74 : 296,247.29 = 202,318.69 : x - Step 2: Convert to fraction form
213,694.74/296,247.29 = 202,318.69/x - Step 3: Cross multiply
213,694.74x = 296,247.29 × 202,318.69 - Step 4: Simplify right side
213,694.74x = 59,936,363,628.85 - Step 5: Solve for x
x = 59,936,363,628.85/213,694.74 - Step 6: Final answer
x = 280,476.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.