Finding the Fourth Proportional to 201,658.97, 278,258.53 and 116,759.63
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Solution
The fourth proportional to 201,658.97, 278,258.53 and 116,759.63 is: 161,110.43
Step by Step Solution
- Step 1: Write the proportion equation
201,658.97 : 278,258.53 = 116,759.63 : x - Step 2: Convert to fraction form
201,658.97/278,258.53 = 116,759.63/x - Step 3: Cross multiply
201,658.97x = 278,258.53 × 116,759.63 - Step 4: Simplify right side
201,658.97x = 32,489,363,007.14 - Step 5: Solve for x
x = 32,489,363,007.14/201,658.97 - Step 6: Final answer
x = 161,110.43
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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.