Finding the Fourth Proportional to 326,408.70, 489,611.34 and 177,594.97
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Solution
The fourth proportional to 326,408.70, 489,611.34 and 177,594.97 is: 266,391.52
Step by Step Solution
- Step 1: Write the proportion equation
326,408.70 : 489,611.34 = 177,594.97 : x - Step 2: Convert to fraction form
326,408.70/489,611.34 = 177,594.97/x - Step 3: Cross multiply
326,408.70x = 489,611.34 × 177,594.97 - Step 4: Simplify right side
326,408.70x = 86,952,511,238.96 - Step 5: Solve for x
x = 86,952,511,238.96/326,408.70 - Step 6: Final answer
x = 266,391.52
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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.