Finding the Fourth Proportional to 246,497.21, 369,745.83 and 80,285.21
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Solution
The fourth proportional to 246,497.21, 369,745.83 and 80,285.21 is: 120,427.82
Step by Step Solution
- Step 1: Write the proportion equation
246,497.21 : 369,745.83 = 80,285.21 : x - Step 2: Convert to fraction form
246,497.21/369,745.83 = 80,285.21/x - Step 3: Cross multiply
246,497.21x = 369,745.83 × 80,285.21 - Step 4: Simplify right side
246,497.21x = 29,685,121,608.17 - Step 5: Solve for x
x = 29,685,121,608.17/246,497.21 - Step 6: Final answer
x = 120,427.82
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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.