Finding the Fourth Proportional to 201,839.80, 302,759.70 and 197,465.80
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Solution
The fourth proportional to 201,839.80, 302,759.70 and 197,465.80 is: 296,198.70
Step by Step Solution
- Step 1: Write the proportion equation
201,839.80 : 302,759.70 = 197,465.80 : x - Step 2: Convert to fraction form
201,839.80/302,759.70 = 197,465.80/x - Step 3: Cross multiply
201,839.80x = 302,759.70 × 197,465.80 - Step 4: Simplify right side
201,839.80x = 59,784,686,368.26 - Step 5: Solve for x
x = 59,784,686,368.26/201,839.80 - Step 6: Final answer
x = 296,198.70
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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.