Finding the Fourth Proportional to 489,626.24, 675,732.76 and 274,767.14
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Solution
The fourth proportional to 489,626.24, 675,732.76 and 274,767.14 is: 379,205.90
Step by Step Solution
- Step 1: Write the proportion equation
489,626.24 : 675,732.76 = 274,767.14 : x - Step 2: Convert to fraction form
489,626.24/675,732.76 = 274,767.14/x - Step 3: Cross multiply
489,626.24x = 675,732.76 × 274,767.14 - Step 4: Simplify right side
489,626.24x = 185,669,158,871.92 - Step 5: Solve for x
x = 185,669,158,871.92/489,626.24 - Step 6: Final answer
x = 379,205.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.