Finding the Fourth Proportional to 489,234.44, 675,149.18 and 271,447.20
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Solution
The fourth proportional to 489,234.44, 675,149.18 and 271,447.20 is: 374,600.27
Step by Step Solution
- Step 1: Write the proportion equation
489,234.44 : 675,149.18 = 271,447.20 : x - Step 2: Convert to fraction form
489,234.44/675,149.18 = 271,447.20/x - Step 3: Cross multiply
489,234.44x = 675,149.18 × 271,447.20 - Step 4: Simplify right side
489,234.44x = 183,267,353,136.06 - Step 5: Solve for x
x = 183,267,353,136.06/489,234.44 - Step 6: Final answer
x = 374,600.27
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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.