Finding the Fourth Proportional to 821,232.81, 1,231,852.06 and 252,610.05
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Solution
The fourth proportional to 821,232.81, 1,231,852.06 and 252,610.05 is: 378,915.94
Step by Step Solution
- Step 1: Write the proportion equation
821,232.81 : 1,231,852.06 = 252,610.05 : x - Step 2: Convert to fraction form
821,232.81/1,231,852.06 = 252,610.05/x - Step 3: Cross multiply
821,232.81x = 1,231,852.06 × 252,610.05 - Step 4: Simplify right side
821,232.81x = 311,178,203,678.42 - Step 5: Solve for x
x = 311,178,203,678.42/821,232.81 - Step 6: Final answer
x = 378,915.94
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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.