Finding the Fourth Proportional to 326,120.26, 489,175.84 and 113,043.28
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Solution
The fourth proportional to 326,120.26, 489,175.84 and 113,043.28 is: 169,563.34
Step by Step Solution
- Step 1: Write the proportion equation
326,120.26 : 489,175.84 = 113,043.28 : x - Step 2: Convert to fraction form
326,120.26/489,175.84 = 113,043.28/x - Step 3: Cross multiply
326,120.26x = 489,175.84 × 113,043.28 - Step 4: Simplify right side
326,120.26x = 55,298,041,450.36 - Step 5: Solve for x
x = 55,298,041,450.36/326,120.26 - Step 6: Final answer
x = 169,563.34
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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.