Finding the Fourth Proportional to 325,620.81, 449,410.68 and 223,562.70
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Solution
The fourth proportional to 325,620.81, 449,410.68 and 223,562.70 is: 308,553.58
Step by Step Solution
- Step 1: Write the proportion equation
325,620.81 : 449,410.68 = 223,562.70 : x - Step 2: Convert to fraction form
325,620.81/449,410.68 = 223,562.70/x - Step 3: Cross multiply
325,620.81x = 449,410.68 × 223,562.70 - Step 4: Simplify right side
325,620.81x = 100,471,465,029.64 - Step 5: Solve for x
x = 100,471,465,029.64/325,620.81 - Step 6: Final answer
x = 308,553.58
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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.