Finding the Fourth Proportional to 298,662.42, 412,149.38 and 162,697.99
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Solution
The fourth proportional to 298,662.42, 412,149.38 and 162,697.99 is: 224,520.64
Step by Step Solution
- Step 1: Write the proportion equation
298,662.42 : 412,149.38 = 162,697.99 : x - Step 2: Convert to fraction form
298,662.42/412,149.38 = 162,697.99/x - Step 3: Cross multiply
298,662.42x = 412,149.38 × 162,697.99 - Step 4: Simplify right side
298,662.42x = 67,055,876,022.63 - Step 5: Solve for x
x = 67,055,876,022.63/298,662.42 - Step 6: Final answer
x = 224,520.64
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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.