Finding the Fourth Proportional to 201,775.93, 278,447.35 and 111,140.37
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Solution
The fourth proportional to 201,775.93, 278,447.35 and 111,140.37 is: 153,371.82
Step by Step Solution
- Step 1: Write the proportion equation
201,775.93 : 278,447.35 = 111,140.37 : x - Step 2: Convert to fraction form
201,775.93/278,447.35 = 111,140.37/x - Step 3: Cross multiply
201,775.93x = 278,447.35 × 111,140.37 - Step 4: Simplify right side
201,775.93x = 30,946,741,504.52 - Step 5: Solve for x
x = 30,946,741,504.52/201,775.93 - Step 6: Final answer
x = 153,371.82
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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.