Finding the Fourth Proportional to 354,998.98, 489,902.61 and 193,855.96
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Solution
The fourth proportional to 354,998.98, 489,902.61 and 193,855.96 is: 267,523.42
Step by Step Solution
- Step 1: Write the proportion equation
354,998.98 : 489,902.61 = 193,855.96 : x - Step 2: Convert to fraction form
354,998.98/489,902.61 = 193,855.96/x - Step 3: Cross multiply
354,998.98x = 489,902.61 × 193,855.96 - Step 4: Simplify right side
354,998.98x = 94,970,540,768.06 - Step 5: Solve for x
x = 94,970,540,768.06/354,998.98 - Step 6: Final answer
x = 267,523.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.