Finding the Fourth Proportional to 308,010.64, 461,185.28 and 201,129.84
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Solution
The fourth proportional to 308,010.64, 461,185.28 and 201,129.84 is: 301,152.33
Step by Step Solution
- Step 1: Write the proportion equation
308,010.64 : 461,185.28 = 201,129.84 : x - Step 2: Convert to fraction form
308,010.64/461,185.28 = 201,129.84/x - Step 3: Cross multiply
308,010.64x = 461,185.28 × 201,129.84 - Step 4: Simplify right side
308,010.64x = 92,758,121,576.76 - Step 5: Solve for x
x = 92,758,121,576.76/308,010.64 - Step 6: Final answer
x = 301,152.33
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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.