Finding the Fourth Proportional to 201,212.53, 277,593.75 and 129,634.31
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Solution
The fourth proportional to 201,212.53, 277,593.75 and 129,634.31 is: 178,844.11
Step by Step Solution
- Step 1: Write the proportion equation
201,212.53 : 277,593.75 = 129,634.31 : x - Step 2: Convert to fraction form
201,212.53/277,593.75 = 129,634.31/x - Step 3: Cross multiply
201,212.53x = 277,593.75 × 129,634.31 - Step 4: Simplify right side
201,212.53x = 35,985,674,935.55 - Step 5: Solve for x
x = 35,985,674,935.55/201,212.53 - Step 6: Final answer
x = 178,844.11
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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.