Finding the Fourth Proportional to 326,935.44, 490,389.84 and 113,752.14
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Solution
The fourth proportional to 326,935.44, 490,389.84 and 113,752.14 is: 170,623.58
Step by Step Solution
- Step 1: Write the proportion equation
326,935.44 : 490,389.84 = 113,752.14 : x - Step 2: Convert to fraction form
326,935.44/490,389.84 = 113,752.14/x - Step 3: Cross multiply
326,935.44x = 490,389.84 × 113,752.14 - Step 4: Simplify right side
326,935.44x = 55,782,893,734.26 - Step 5: Solve for x
x = 55,782,893,734.26/326,935.44 - Step 6: Final answer
x = 170,623.58
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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.