Finding the Fourth Proportional to 326,560.14, 489,315.60 and 274,072.14
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Solution
The fourth proportional to 326,560.14, 489,315.60 and 274,072.14 is: 410,667.92
Step by Step Solution
- Step 1: Write the proportion equation
326,560.14 : 489,315.60 = 274,072.14 : x - Step 2: Convert to fraction form
326,560.14/489,315.60 = 274,072.14/x - Step 3: Cross multiply
326,560.14x = 489,315.60 × 274,072.14 - Step 4: Simplify right side
326,560.14x = 134,107,773,627.38 - Step 5: Solve for x
x = 134,107,773,627.38/326,560.14 - Step 6: Final answer
x = 410,667.92
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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.