Finding the Fourth Proportional to 354,623.26, 489,381.72 and 193,481.65
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Solution
The fourth proportional to 354,623.26, 489,381.72 and 193,481.65 is: 267,005.56
Step by Step Solution
- Step 1: Write the proportion equation
354,623.26 : 489,381.72 = 193,481.65 : x - Step 2: Convert to fraction form
354,623.26/489,381.72 = 193,481.65/x - Step 3: Cross multiply
354,623.26x = 489,381.72 × 193,481.65 - Step 4: Simplify right side
354,623.26x = 94,686,381,698.03 - Step 5: Solve for x
x = 94,686,381,698.03/354,623.26 - Step 6: Final answer
x = 267,005.56
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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.