Finding the Fourth Proportional to 202,203.40, 303,523.80 and 113,629.90
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Solution
The fourth proportional to 202,203.40, 303,523.80 and 113,629.90 is: 170,567.75
Step by Step Solution
- Step 1: Write the proportion equation
202,203.40 : 303,523.80 = 113,629.90 : x - Step 2: Convert to fraction form
202,203.40/303,523.80 = 113,629.90/x - Step 3: Cross multiply
202,203.40x = 303,523.80 × 113,629.90 - Step 4: Simplify right side
202,203.40x = 34,489,379,041.62 - Step 5: Solve for x
x = 34,489,379,041.62/202,203.40 - Step 6: Final answer
x = 170,567.75
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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.