Finding the Fourth Proportional to 454,629.48, 681,944.21 and 201,850.55
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Solution
The fourth proportional to 454,629.48, 681,944.21 and 201,850.55 is: 302,775.81
Step by Step Solution
- Step 1: Write the proportion equation
454,629.48 : 681,944.21 = 201,850.55 : x - Step 2: Convert to fraction form
454,629.48/681,944.21 = 201,850.55/x - Step 3: Cross multiply
454,629.48x = 681,944.21 × 201,850.55 - Step 4: Simplify right side
454,629.48x = 137,650,809,438.84 - Step 5: Solve for x
x = 137,650,809,438.84/454,629.48 - Step 6: Final answer
x = 302,775.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.