Finding the Fourth Proportional to 326,601.91, 489,776.91 and 126,896.01
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Solution
The fourth proportional to 326,601.91, 489,776.91 and 126,896.01 is: 190,295.08
Step by Step Solution
- Step 1: Write the proportion equation
326,601.91 : 489,776.91 = 126,896.01 : x - Step 2: Convert to fraction form
326,601.91/489,776.91 = 126,896.01/x - Step 3: Cross multiply
326,601.91x = 489,776.91 × 126,896.01 - Step 4: Simplify right side
326,601.91x = 62,150,735,669.13 - Step 5: Solve for x
x = 62,150,735,669.13/326,601.91 - Step 6: Final answer
x = 190,295.08
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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.