Finding the Fourth Proportional to 325,672.84, 489,257.70 and 231,137.74
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Solution
The fourth proportional to 325,672.84, 489,257.70 and 231,137.74 is: 347,237.80
Step by Step Solution
- Step 1: Write the proportion equation
325,672.84 : 489,257.70 = 231,137.74 : x - Step 2: Convert to fraction form
325,672.84/489,257.70 = 231,137.74/x - Step 3: Cross multiply
325,672.84x = 489,257.70 × 231,137.74 - Step 4: Simplify right side
325,672.84x = 113,085,919,055.60 - Step 5: Solve for x
x = 113,085,919,055.60/325,672.84 - Step 6: Final answer
x = 347,237.80
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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.