Finding the Fourth Proportional to 383,958.06, 529,956.99 and 233,181.42
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Solution
The fourth proportional to 383,958.06, 529,956.99 and 233,181.42 is: 321,847.97
Step by Step Solution
- Step 1: Write the proportion equation
383,958.06 : 529,956.99 = 233,181.42 : x - Step 2: Convert to fraction form
383,958.06/529,956.99 = 233,181.42/x - Step 3: Cross multiply
383,958.06x = 529,956.99 × 233,181.42 - Step 4: Simplify right side
383,958.06x = 123,576,123,467.13 - Step 5: Solve for x
x = 123,576,123,467.13/383,958.06 - Step 6: Final answer
x = 321,847.97
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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.