Finding the Fourth Proportional to 354,620.06, 489,404.67 and 201,706.09
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Solution
The fourth proportional to 354,620.06, 489,404.67 and 201,706.09 is: 278,370.89
Step by Step Solution
- Step 1: Write the proportion equation
354,620.06 : 489,404.67 = 201,706.09 : x - Step 2: Convert to fraction form
354,620.06/489,404.67 = 201,706.09/x - Step 3: Cross multiply
354,620.06x = 489,404.67 × 201,706.09 - Step 4: Simplify right side
354,620.06x = 98,715,902,413.44 - Step 5: Solve for x
x = 98,715,902,413.44/354,620.06 - Step 6: Final answer
x = 278,370.89
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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.