Finding the Fourth Proportional to 202,421.40, 303,668.55 and 84,104.70
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Solution
The fourth proportional to 202,421.40, 303,668.55 and 84,104.70 is: 126,172.19
Step by Step Solution
- Step 1: Write the proportion equation
202,421.40 : 303,668.55 = 84,104.70 : x - Step 2: Convert to fraction form
202,421.40/303,668.55 = 84,104.70/x - Step 3: Cross multiply
202,421.40x = 303,668.55 × 84,104.70 - Step 4: Simplify right side
202,421.40x = 25,539,952,297.19 - Step 5: Solve for x
x = 25,539,952,297.19/202,421.40 - Step 6: Final answer
x = 126,172.19
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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.