Finding the Fourth Proportional to 326,034.20, 489,087.84 and 292,548.44
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Solution
The fourth proportional to 326,034.20, 489,087.84 and 292,548.44 is: 438,855.45
Step by Step Solution
- Step 1: Write the proportion equation
326,034.20 : 489,087.84 = 292,548.44 : x - Step 2: Convert to fraction form
326,034.20/489,087.84 = 292,548.44/x - Step 3: Cross multiply
326,034.20x = 489,087.84 × 292,548.44 - Step 4: Simplify right side
326,034.20x = 143,081,884,614.97 - Step 5: Solve for x
x = 143,081,884,614.97/326,034.20 - Step 6: Final answer
x = 438,855.45
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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.