Finding the Fourth Proportional to 326,804.58, 490,285.68 and 113,541.45
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Solution
The fourth proportional to 326,804.58, 490,285.68 and 113,541.45 is: 170,339.56
Step by Step Solution
- Step 1: Write the proportion equation
326,804.58 : 490,285.68 = 113,541.45 : x - Step 2: Convert to fraction form
326,804.58/490,285.68 = 113,541.45/x - Step 3: Cross multiply
326,804.58x = 490,285.68 × 113,541.45 - Step 4: Simplify right side
326,804.58x = 55,667,747,021.44 - Step 5: Solve for x
x = 55,667,747,021.44/326,804.58 - Step 6: Final answer
x = 170,339.56
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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.