Finding the Fourth Proportional to 326,120.11, 450,050.36 and 197,040.62
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Solution
The fourth proportional to 326,120.11, 450,050.36 and 197,040.62 is: 271,918.84
Step by Step Solution
- Step 1: Write the proportion equation
326,120.11 : 450,050.36 = 197,040.62 : x - Step 2: Convert to fraction form
326,120.11/450,050.36 = 197,040.62/x - Step 3: Cross multiply
326,120.11x = 450,050.36 × 197,040.62 - Step 4: Simplify right side
326,120.11x = 88,678,202,105.55 - Step 5: Solve for x
x = 88,678,202,105.55/326,120.11 - Step 6: Final answer
x = 271,918.84
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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.