Finding the Fourth Proportional to 202,430.25, 303,438.02 and 84,170.25
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Solution
The fourth proportional to 202,430.25, 303,438.02 and 84,170.25 is: 126,169.15
Step by Step Solution
- Step 1: Write the proportion equation
202,430.25 : 303,438.02 = 84,170.25 : x - Step 2: Convert to fraction form
202,430.25/303,438.02 = 84,170.25/x - Step 3: Cross multiply
202,430.25x = 303,438.02 × 84,170.25 - Step 4: Simplify right side
202,430.25x = 25,540,453,582.05 - Step 5: Solve for x
x = 25,540,453,582.05/202,430.25 - Step 6: Final answer
x = 126,169.15
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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.