Finding the Fourth Proportional to 201,717.80, 302,576.70 and 189,429.80
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Solution
The fourth proportional to 201,717.80, 302,576.70 and 189,429.80 is: 284,144.70
Step by Step Solution
- Step 1: Write the proportion equation
201,717.80 : 302,576.70 = 189,429.80 : x - Step 2: Convert to fraction form
201,717.80/302,576.70 = 189,429.80/x - Step 3: Cross multiply
201,717.80x = 302,576.70 × 189,429.80 - Step 4: Simplify right side
201,717.80x = 57,317,043,765.66 - Step 5: Solve for x
x = 57,317,043,765.66/201,717.80 - Step 6: Final answer
x = 284,144.70
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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.