Finding the Fourth Proportional to 311,825.36, 467,620.80 and 246,040.40
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Solution
The fourth proportional to 311,825.36, 467,620.80 and 246,040.40 is: 368,968.09
Step by Step Solution
- Step 1: Write the proportion equation
311,825.36 : 467,620.80 = 246,040.40 : x - Step 2: Convert to fraction form
311,825.36/467,620.80 = 246,040.40/x - Step 3: Cross multiply
311,825.36x = 467,620.80 × 246,040.40 - Step 4: Simplify right side
311,825.36x = 115,053,608,680.32 - Step 5: Solve for x
x = 115,053,608,680.32/311,825.36 - Step 6: Final answer
x = 368,968.09
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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.