Finding the Fourth Proportional to 373,908.56, 515,991.06 and 204,142.68
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Solution
The fourth proportional to 373,908.56, 515,991.06 and 204,142.68 is: 281,715.40
Step by Step Solution
- Step 1: Write the proportion equation
373,908.56 : 515,991.06 = 204,142.68 : x - Step 2: Convert to fraction form
373,908.56/515,991.06 = 204,142.68/x - Step 3: Cross multiply
373,908.56x = 515,991.06 × 204,142.68 - Step 4: Simplify right side
373,908.56x = 105,335,797,844.44 - Step 5: Solve for x
x = 105,335,797,844.44/373,908.56 - Step 6: Final answer
x = 281,715.40
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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.