Finding the Fourth Proportional to 355,051.84, 489,968.94 and 193,906.84
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Solution
The fourth proportional to 355,051.84, 489,968.94 and 193,906.84 is: 267,590.02
Step by Step Solution
- Step 1: Write the proportion equation
355,051.84 : 489,968.94 = 193,906.84 : x - Step 2: Convert to fraction form
355,051.84/489,968.94 = 193,906.84/x - Step 3: Cross multiply
355,051.84x = 489,968.94 × 193,906.84 - Step 4: Simplify right side
355,051.84x = 95,008,328,853.55 - Step 5: Solve for x
x = 95,008,328,853.55/355,051.84 - Step 6: Final answer
x = 267,590.02
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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.