Finding the Fourth Proportional to 201,684.24, 278,324.28 and 111,040.56
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Solution
The fourth proportional to 201,684.24, 278,324.28 and 111,040.56 is: 153,235.99
Step by Step Solution
- Step 1: Write the proportion equation
201,684.24 : 278,324.28 = 111,040.56 : x - Step 2: Convert to fraction form
201,684.24/278,324.28 = 111,040.56/x - Step 3: Cross multiply
201,684.24x = 278,324.28 × 111,040.56 - Step 4: Simplify right side
201,684.24x = 30,905,283,912.80 - Step 5: Solve for x
x = 30,905,283,912.80/201,684.24 - Step 6: Final answer
x = 153,235.99
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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.