Finding the Fourth Proportional to 363,064.07, 501,021.29 and 201,915.65
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Solution
The fourth proportional to 363,064.07, 501,021.29 and 201,915.65 is: 278,639.63
Step by Step Solution
- Step 1: Write the proportion equation
363,064.07 : 501,021.29 = 201,915.65 : x - Step 2: Convert to fraction form
363,064.07/501,021.29 = 201,915.65/x - Step 3: Cross multiply
363,064.07x = 501,021.29 × 201,915.65 - Step 4: Simplify right side
363,064.07x = 101,164,039,434.19 - Step 5: Solve for x
x = 101,164,039,434.19/363,064.07 - Step 6: Final answer
x = 278,639.63
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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.