Finding the Fourth Proportional to 201,193.47, 301,829.69 and 68,112.09
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Solution
The fourth proportional to 201,193.47, 301,829.69 and 68,112.09 is: 102,181.50
Step by Step Solution
- Step 1: Write the proportion equation
201,193.47 : 301,829.69 = 68,112.09 : x - Step 2: Convert to fraction form
201,193.47/301,829.69 = 68,112.09/x - Step 3: Cross multiply
201,193.47x = 301,829.69 × 68,112.09 - Step 4: Simplify right side
201,193.47x = 20,558,251,180.23 - Step 5: Solve for x
x = 20,558,251,180.23/201,193.47 - Step 6: Final answer
x = 102,181.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.