Finding the Fourth Proportional to 262,552.20, 393,374.70 and 122,022.60
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Solution
The fourth proportional to 262,552.20, 393,374.70 and 122,022.60 is: 182,823.09
Step by Step Solution
- Step 1: Write the proportion equation
262,552.20 : 393,374.70 = 122,022.60 : x - Step 2: Convert to fraction form
262,552.20/393,374.70 = 122,022.60/x - Step 3: Cross multiply
262,552.20x = 393,374.70 × 122,022.60 - Step 4: Simplify right side
262,552.20x = 48,000,603,668.22 - Step 5: Solve for x
x = 48,000,603,668.22/262,552.20 - Step 6: Final answer
x = 182,823.09
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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.