Finding the Fourth Proportional to 298,160.97, 411,469.65 and 162,202.56
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Solution
The fourth proportional to 298,160.97, 411,469.65 and 162,202.56 is: 223,843.62
Step by Step Solution
- Step 1: Write the proportion equation
298,160.97 : 411,469.65 = 162,202.56 : x - Step 2: Convert to fraction form
298,160.97/411,469.65 = 162,202.56/x - Step 3: Cross multiply
298,160.97x = 411,469.65 × 162,202.56 - Step 4: Simplify right side
298,160.97x = 66,741,430,592.30 - Step 5: Solve for x
x = 66,741,430,592.30/298,160.97 - Step 6: Final answer
x = 223,843.62
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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.