Finding the Fourth Proportional to 201,791.94, 278,181.99 and 141,174.78
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Solution
The fourth proportional to 201,791.94, 278,181.99 and 141,174.78 is: 194,617.69
Step by Step Solution
- Step 1: Write the proportion equation
201,791.94 : 278,181.99 = 141,174.78 : x - Step 2: Convert to fraction form
201,791.94/278,181.99 = 141,174.78/x - Step 3: Cross multiply
201,791.94x = 278,181.99 × 141,174.78 - Step 4: Simplify right side
201,791.94x = 39,272,281,238.21 - Step 5: Solve for x
x = 39,272,281,238.21/201,791.94 - Step 6: Final answer
x = 194,617.69
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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.