Finding the Fourth Proportional to 298,490.44, 445,551.77 and 263,062.12
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Solution
The fourth proportional to 298,490.44, 445,551.77 and 263,062.12 is: 392,668.50
Step by Step Solution
- Step 1: Write the proportion equation
298,490.44 : 445,551.77 = 263,062.12 : x - Step 2: Convert to fraction form
298,490.44/445,551.77 = 263,062.12/x - Step 3: Cross multiply
298,490.44x = 445,551.77 × 263,062.12 - Step 4: Simplify right side
298,490.44x = 117,207,793,185.95 - Step 5: Solve for x
x = 117,207,793,185.95/298,490.44 - Step 6: Final answer
x = 392,668.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.