Finding the Fourth Proportional to 201,796.97, 278,499.47 and 150,721.02
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Solution
The fourth proportional to 201,796.97, 278,499.47 and 150,721.02 is: 208,009.69
Step by Step Solution
- Step 1: Write the proportion equation
201,796.97 : 278,499.47 = 150,721.02 : x - Step 2: Convert to fraction form
201,796.97/278,499.47 = 150,721.02/x - Step 3: Cross multiply
201,796.97x = 278,499.47 × 150,721.02 - Step 4: Simplify right side
201,796.97x = 41,975,723,434.25 - Step 5: Solve for x
x = 41,975,723,434.25/201,796.97 - Step 6: Final answer
x = 208,009.69
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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.