Finding the Fourth Proportional to 376,213.92, 519,181.68 and 206,463.84
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Solution
The fourth proportional to 376,213.92, 519,181.68 and 206,463.84 is: 284,923.65
Step by Step Solution
- Step 1: Write the proportion equation
376,213.92 : 519,181.68 = 206,463.84 : x - Step 2: Convert to fraction form
376,213.92/519,181.68 = 206,463.84/x - Step 3: Cross multiply
376,213.92x = 519,181.68 × 206,463.84 - Step 4: Simplify right side
376,213.92x = 107,192,243,310.45 - Step 5: Solve for x
x = 107,192,243,310.45/376,213.92 - Step 6: Final answer
x = 284,923.65
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1.5x scale
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.