Finding the Fourth Proportional to 202,504.40, 303,756.60 and 84,136.40
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Solution
The fourth proportional to 202,504.40, 303,756.60 and 84,136.40 is: 126,204.60
Step by Step Solution
- Step 1: Write the proportion equation
202,504.40 : 303,756.60 = 84,136.40 : x - Step 2: Convert to fraction form
202,504.40/303,756.60 = 84,136.40/x - Step 3: Cross multiply
202,504.40x = 303,756.60 × 84,136.40 - Step 4: Simplify right side
202,504.40x = 25,556,986,800.24 - Step 5: Solve for x
x = 25,556,986,800.24/202,504.40 - Step 6: Final answer
x = 126,204.60
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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.