Finding the Fourth Proportional to 397,107.06, 548,011.97 and 215,819.00
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Solution
The fourth proportional to 397,107.06, 548,011.97 and 215,819.00 is: 297,832.52
Step by Step Solution
- Step 1: Write the proportion equation
397,107.06 : 548,011.97 = 215,819.00 : x - Step 2: Convert to fraction form
397,107.06/548,011.97 = 215,819.00/x - Step 3: Cross multiply
397,107.06x = 548,011.97 × 215,819.00 - Step 4: Simplify right side
397,107.06x = 118,271,394,180.44 - Step 5: Solve for x
x = 118,271,394,180.44/397,107.06 - Step 6: Final answer
x = 297,832.52
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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.