Finding the Fourth Proportional to 201,672.75, 278,303.49 and 111,027.99
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Solution
The fourth proportional to 201,672.75, 278,303.49 and 111,027.99 is: 153,215.93
Step by Step Solution
- Step 1: Write the proportion equation
201,672.75 : 278,303.49 = 111,027.99 : x - Step 2: Convert to fraction form
201,672.75/278,303.49 = 111,027.99/x - Step 3: Cross multiply
201,672.75x = 278,303.49 × 111,027.99 - Step 4: Simplify right side
201,672.75x = 30,899,477,104.69 - Step 5: Solve for x
x = 30,899,477,104.69/201,672.75 - Step 6: Final answer
x = 153,215.93
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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.