Finding the Fourth Proportional to 352,311.75, 486,190.22 and 201,408.75
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Solution
The fourth proportional to 352,311.75, 486,190.22 and 201,408.75 is: 277,944.08
Step by Step Solution
- Step 1: Write the proportion equation
352,311.75 : 486,190.22 = 201,408.75 : x - Step 2: Convert to fraction form
352,311.75/486,190.22 = 201,408.75/x - Step 3: Cross multiply
352,311.75x = 486,190.22 × 201,408.75 - Step 4: Simplify right side
352,311.75x = 97,922,963,465.38 - Step 5: Solve for x
x = 97,922,963,465.38/352,311.75 - Step 6: Final answer
x = 277,944.08
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1.5x scale
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.