Finding the Fourth Proportional to 297,380.18, 410,375.49 and 161,407.70
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Solution
The fourth proportional to 297,380.18, 410,375.49 and 161,407.70 is: 222,737.66
Step by Step Solution
- Step 1: Write the proportion equation
297,380.18 : 410,375.49 = 161,407.70 : x - Step 2: Convert to fraction form
297,380.18/410,375.49 = 161,407.70/x - Step 3: Cross multiply
297,380.18x = 410,375.49 × 161,407.70 - Step 4: Simplify right side
297,380.18x = 66,237,763,977.27 - Step 5: Solve for x
x = 66,237,763,977.27/297,380.18 - Step 6: Final answer
x = 222,737.66
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1.5x scale
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.