Finding the Fourth Proportional to 354,568.22, 489,284.28 and 201,584.84
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Solution
The fourth proportional to 354,568.22, 489,284.28 and 201,584.84 is: 278,175.78
Step by Step Solution
- Step 1: Write the proportion equation
354,568.22 : 489,284.28 = 201,584.84 : x - Step 2: Convert to fraction form
354,568.22/489,284.28 = 201,584.84/x - Step 3: Cross multiply
354,568.22x = 489,284.28 × 201,584.84 - Step 4: Simplify right side
354,568.22x = 98,632,290,851.89 - Step 5: Solve for x
x = 98,632,290,851.89/354,568.22 - Step 6: Final answer
x = 278,175.78
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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.