Finding the Fourth Proportional to 481,209.62, 664,217.20 and 277,396.82
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Solution
The fourth proportional to 481,209.62, 664,217.20 and 277,396.82 is: 382,892.88
Step by Step Solution
- Step 1: Write the proportion equation
481,209.62 : 664,217.20 = 277,396.82 : x - Step 2: Convert to fraction form
481,209.62/664,217.20 = 277,396.82/x - Step 3: Cross multiply
481,209.62x = 664,217.20 × 277,396.82 - Step 4: Simplify right side
481,209.62x = 184,251,739,069.30 - Step 5: Solve for x
x = 184,251,739,069.30/481,209.62 - Step 6: Final answer
x = 382,892.88
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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.