Finding the Fourth Proportional to 298,997.08, 412,614.30 and 164,861.08
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Solution
The fourth proportional to 298,997.08, 412,614.30 and 164,861.08 is: 227,507.37
Step by Step Solution
- Step 1: Write the proportion equation
298,997.08 : 412,614.30 = 164,861.08 : x - Step 2: Convert to fraction form
298,997.08/412,614.30 = 164,861.08/x - Step 3: Cross multiply
298,997.08x = 412,614.30 × 164,861.08 - Step 4: Simplify right side
298,997.08x = 68,024,039,121.44 - Step 5: Solve for x
x = 68,024,039,121.44/298,997.08 - Step 6: Final answer
x = 227,507.37
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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.