Finding the Fourth Proportional to 363,136.53, 501,121.02 and 201,988.11
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Solution
The fourth proportional to 363,136.53, 501,121.02 and 201,988.11 is: 278,739.48
Step by Step Solution
- Step 1: Write the proportion equation
363,136.53 : 501,121.02 = 201,988.11 : x - Step 2: Convert to fraction form
363,136.53/501,121.02 = 201,988.11/x - Step 3: Cross multiply
363,136.53x = 501,121.02 × 201,988.11 - Step 4: Simplify right side
363,136.53x = 101,220,487,711.07 - Step 5: Solve for x
x = 101,220,487,711.07/363,136.53 - Step 6: Final answer
x = 278,739.48
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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.