Finding the Fourth Proportional to 201,894.70, 302,842.05 and 192,709.30
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Solution
The fourth proportional to 201,894.70, 302,842.05 and 192,709.30 is: 289,063.95
Step by Step Solution
- Step 1: Write the proportion equation
201,894.70 : 302,842.05 = 192,709.30 : x - Step 2: Convert to fraction form
201,894.70/302,842.05 = 192,709.30/x - Step 3: Cross multiply
201,894.70x = 302,842.05 × 192,709.30 - Step 4: Simplify right side
201,894.70x = 58,360,479,466.07 - Step 5: Solve for x
x = 58,360,479,466.07/201,894.70 - Step 6: Final answer
x = 289,063.95
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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.