Finding the Fourth Proportional to 343,620.56, 474,212.34 and 214,635.41
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Solution
The fourth proportional to 343,620.56, 474,212.34 and 214,635.41 is: 296,206.84
Step by Step Solution
- Step 1: Write the proportion equation
343,620.56 : 474,212.34 = 214,635.41 : x - Step 2: Convert to fraction form
343,620.56/474,212.34 = 214,635.41/x - Step 3: Cross multiply
343,620.56x = 474,212.34 × 214,635.41 - Step 4: Simplify right side
343,620.56x = 101,782,757,651.90 - Step 5: Solve for x
x = 101,782,757,651.90/343,620.56 - Step 6: Final answer
x = 296,206.84
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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.