Finding the Fourth Proportional to 326,289.96, 489,331.26 and 221,780.52
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Solution
The fourth proportional to 326,289.96, 489,331.26 and 221,780.52 is: 332,600.31
Step by Step Solution
- Step 1: Write the proportion equation
326,289.96 : 489,331.26 = 221,780.52 : x - Step 2: Convert to fraction form
326,289.96/489,331.26 = 221,780.52/x - Step 3: Cross multiply
326,289.96x = 489,331.26 × 221,780.52 - Step 4: Simplify right side
326,289.96x = 108,524,141,295.06 - Step 5: Solve for x
x = 108,524,141,295.06/326,289.96 - Step 6: Final answer
x = 332,600.31
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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.