Finding the Fourth Proportional to 286,050.64, 394,896.92 and 201,544.96
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Solution
The fourth proportional to 286,050.64, 394,896.92 and 201,544.96 is: 278,235.64
Step by Step Solution
- Step 1: Write the proportion equation
286,050.64 : 394,896.92 = 201,544.96 : x - Step 2: Convert to fraction form
286,050.64/394,896.92 = 201,544.96/x - Step 3: Cross multiply
286,050.64x = 394,896.92 × 201,544.96 - Step 4: Simplify right side
286,050.64x = 79,589,483,945.52 - Step 5: Solve for x
x = 79,589,483,945.52/286,050.64 - Step 6: Final answer
x = 278,235.64
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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.