Finding the Fourth Proportional to 201,835.95, 278,546.39 and 111,192.09
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Solution
The fourth proportional to 201,835.95, 278,546.39 and 111,192.09 is: 153,452.12
Step by Step Solution
- Step 1: Write the proportion equation
201,835.95 : 278,546.39 = 111,192.09 : x - Step 2: Convert to fraction form
201,835.95/278,546.39 = 111,192.09/x - Step 3: Cross multiply
201,835.95x = 278,546.39 × 111,192.09 - Step 4: Simplify right side
201,835.95x = 30,972,155,266.06 - Step 5: Solve for x
x = 30,972,155,266.06/201,835.95 - Step 6: Final answer
x = 153,452.12
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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.