Finding the Fourth Proportional to 201,916.36, 278,640.97 and 110,036.44
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Solution
The fourth proportional to 201,916.36, 278,640.97 and 110,036.44 is: 151,848.32
Step by Step Solution
- Step 1: Write the proportion equation
201,916.36 : 278,640.97 = 110,036.44 : x - Step 2: Convert to fraction form
201,916.36/278,640.97 = 110,036.44/x - Step 3: Cross multiply
201,916.36x = 278,640.97 × 110,036.44 - Step 4: Simplify right side
201,916.36x = 30,660,660,376.95 - Step 5: Solve for x
x = 30,660,660,376.95/201,916.36 - Step 6: Final answer
x = 151,848.32
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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.