Finding the Fourth Proportional to 300,728.08, 414,998.40 and 164,755.41
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Solution
The fourth proportional to 300,728.08, 414,998.40 and 164,755.41 is: 227,358.99
Step by Step Solution
- Step 1: Write the proportion equation
300,728.08 : 414,998.40 = 164,755.41 : x - Step 2: Convert to fraction form
300,728.08/414,998.40 = 164,755.41/x - Step 3: Cross multiply
300,728.08x = 414,998.40 × 164,755.41 - Step 4: Simplify right side
300,728.08x = 68,373,231,541.34 - Step 5: Solve for x
x = 68,373,231,541.34/300,728.08 - Step 6: Final answer
x = 227,358.99
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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.