Finding the Fourth Proportional to 197,847.11, 273,029.26 and 107,203.05
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Solution
The fourth proportional to 197,847.11, 273,029.26 and 107,203.05 is: 147,940.34
Step by Step Solution
- Step 1: Write the proportion equation
197,847.11 : 273,029.26 = 107,203.05 : x - Step 2: Convert to fraction form
197,847.11/273,029.26 = 107,203.05/x - Step 3: Cross multiply
197,847.11x = 273,029.26 × 107,203.05 - Step 4: Simplify right side
197,847.11x = 29,269,569,411.24 - Step 5: Solve for x
x = 29,269,569,411.24/197,847.11 - Step 6: Final answer
x = 147,940.34
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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.