Finding the Fourth Proportional to 281,239.43, 421,902.88 and 94,207.19
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Solution
The fourth proportional to 281,239.43, 421,902.88 and 94,207.19 is: 141,325.43
Step by Step Solution
- Step 1: Write the proportion equation
281,239.43 : 421,902.88 = 94,207.19 : x - Step 2: Convert to fraction form
281,239.43/421,902.88 = 94,207.19/x - Step 3: Cross multiply
281,239.43x = 421,902.88 × 94,207.19 - Step 4: Simplify right side
281,239.43x = 39,746,282,432.67 - Step 5: Solve for x
x = 39,746,282,432.67/281,239.43 - Step 6: Final answer
x = 141,325.43
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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.