Finding the Fourth Proportional to 201,739.20, 302,608.80 and 198,283.20
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Solution
The fourth proportional to 201,739.20, 302,608.80 and 198,283.20 is: 297,424.80
Step by Step Solution
- Step 1: Write the proportion equation
201,739.20 : 302,608.80 = 198,283.20 : x - Step 2: Convert to fraction form
201,739.20/302,608.80 = 198,283.20/x - Step 3: Cross multiply
201,739.20x = 302,608.80 × 198,283.20 - Step 4: Simplify right side
201,739.20x = 60,002,241,212.16 - Step 5: Solve for x
x = 60,002,241,212.16/201,739.20 - Step 6: Final answer
x = 297,424.80
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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.