Finding the Fourth Proportional to 326,704.14, 450,900.54 and 199,453.68
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Solution
The fourth proportional to 326,704.14, 450,900.54 and 199,453.68 is: 275,275.89
Step by Step Solution
- Step 1: Write the proportion equation
326,704.14 : 450,900.54 = 199,453.68 : x - Step 2: Convert to fraction form
326,704.14/450,900.54 = 199,453.68/x - Step 3: Cross multiply
326,704.14x = 450,900.54 × 199,453.68 - Step 4: Simplify right side
326,704.14x = 89,933,772,016.99 - Step 5: Solve for x
x = 89,933,772,016.99/326,704.14 - Step 6: Final answer
x = 275,275.89
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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.