Finding the Fourth Proportional to 217,361.64, 324,459.14 and 201,334.62
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Solution
The fourth proportional to 217,361.64, 324,459.14 and 201,334.62 is: 300,535.35
Step by Step Solution
- Step 1: Write the proportion equation
217,361.64 : 324,459.14 = 201,334.62 : x - Step 2: Convert to fraction form
217,361.64/324,459.14 = 201,334.62/x - Step 3: Cross multiply
217,361.64x = 324,459.14 × 201,334.62 - Step 4: Simplify right side
217,361.64x = 65,324,856,650.75 - Step 5: Solve for x
x = 65,324,856,650.75/217,361.64 - Step 6: Final answer
x = 300,535.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.