Finding the Fourth Proportional to 201,673.93, 278,304.93 and 111,028.99
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Solution
The fourth proportional to 201,673.93, 278,304.93 and 111,028.99 is: 153,217.20
Step by Step Solution
- Step 1: Write the proportion equation
201,673.93 : 278,304.93 = 111,028.99 : x - Step 2: Convert to fraction form
201,673.93/278,304.93 = 111,028.99/x - Step 3: Cross multiply
201,673.93x = 278,304.93 × 111,028.99 - Step 4: Simplify right side
201,673.93x = 30,899,913,343.25 - Step 5: Solve for x
x = 30,899,913,343.25/201,673.93 - Step 6: Final answer
x = 153,217.20
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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.