Finding the Fourth Proportional to 201,747.20, 302,620.80 and 198,291.20
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Solution
The fourth proportional to 201,747.20, 302,620.80 and 198,291.20 is: 297,436.80
Step by Step Solution
- Step 1: Write the proportion equation
201,747.20 : 302,620.80 = 198,291.20 : x - Step 2: Convert to fraction form
201,747.20/302,620.80 = 198,291.20/x - Step 3: Cross multiply
201,747.20x = 302,620.80 × 198,291.20 - Step 4: Simplify right side
201,747.20x = 60,007,041,576.96 - Step 5: Solve for x
x = 60,007,041,576.96/201,747.20 - Step 6: Final answer
x = 297,436.80
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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.