Finding the Fourth Proportional to 354,680.37, 489,469.69 and 201,740.55
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Solution
The fourth proportional to 354,680.37, 489,469.69 and 201,740.55 is: 278,408.09
Step by Step Solution
- Step 1: Write the proportion equation
354,680.37 : 489,469.69 = 201,740.55 : x - Step 2: Convert to fraction form
354,680.37/489,469.69 = 201,740.55/x - Step 3: Cross multiply
354,680.37x = 489,469.69 × 201,740.55 - Step 4: Simplify right side
354,680.37x = 98,745,883,460.23 - Step 5: Solve for x
x = 98,745,883,460.23/354,680.37 - Step 6: Final answer
x = 278,408.09
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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.