Finding the Fourth Proportional to 296,236.36, 408,380.90 and 211,205.80
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Solution
The fourth proportional to 296,236.36, 408,380.90 and 211,205.80 is: 291,160.80
Step by Step Solution
- Step 1: Write the proportion equation
296,236.36 : 408,380.90 = 211,205.80 : x - Step 2: Convert to fraction form
296,236.36/408,380.90 = 211,205.80/x - Step 3: Cross multiply
296,236.36x = 408,380.90 × 211,205.80 - Step 4: Simplify right side
296,236.36x = 86,252,414,689.22 - Step 5: Solve for x
x = 86,252,414,689.22/296,236.36 - Step 6: Final answer
x = 291,160.80
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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.