Finding the Fourth Proportional to 326,576.06, 490,014.75 and 149,137.46
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Solution
The fourth proportional to 326,576.06, 490,014.75 and 149,137.46 is: 223,774.99
Step by Step Solution
- Step 1: Write the proportion equation
326,576.06 : 490,014.75 = 149,137.46 : x - Step 2: Convert to fraction form
326,576.06/490,014.75 = 149,137.46/x - Step 3: Cross multiply
326,576.06x = 490,014.75 × 149,137.46 - Step 4: Simplify right side
326,576.06x = 73,079,555,177.54 - Step 5: Solve for x
x = 73,079,555,177.54/326,576.06 - Step 6: Final answer
x = 223,774.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.