Finding the Fourth Proportional to 201,664.97, 278,266.82 and 116,765.63
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Solution
The fourth proportional to 201,664.97, 278,266.82 and 116,765.63 is: 161,118.71
Step by Step Solution
- Step 1: Write the proportion equation
201,664.97 : 278,266.82 = 116,765.63 : x - Step 2: Convert to fraction form
201,664.97/278,266.82 = 116,765.63/x - Step 3: Cross multiply
201,664.97x = 278,266.82 × 116,765.63 - Step 4: Simplify right side
201,664.97x = 32,491,998,570.23 - Step 5: Solve for x
x = 32,491,998,570.23/201,664.97 - Step 6: Final answer
x = 161,118.71
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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.