Finding the Fourth Proportional to 354,425.35, 489,119.16 and 201,469.96
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Solution
The fourth proportional to 354,425.35, 489,119.16 and 201,469.96 is: 278,035.47
Step by Step Solution
- Step 1: Write the proportion equation
354,425.35 : 489,119.16 = 201,469.96 : x - Step 2: Convert to fraction form
354,425.35/489,119.16 = 201,469.96/x - Step 3: Cross multiply
354,425.35x = 489,119.16 × 201,469.96 - Step 4: Simplify right side
354,425.35x = 98,542,817,600.43 - Step 5: Solve for x
x = 98,542,817,600.43/354,425.35 - Step 6: Final answer
x = 278,035.47
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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.