Finding the Fourth Proportional to 354,696.24, 489,480.60 and 203,792.88
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Solution
The fourth proportional to 354,696.24, 489,480.60 and 203,792.88 is: 281,234.05
Step by Step Solution
- Step 1: Write the proportion equation
354,696.24 : 489,480.60 = 203,792.88 : x - Step 2: Convert to fraction form
354,696.24/489,480.60 = 203,792.88/x - Step 3: Cross multiply
354,696.24x = 489,480.60 × 203,792.88 - Step 4: Simplify right side
354,696.24x = 99,752,661,178.13 - Step 5: Solve for x
x = 99,752,661,178.13/354,696.24 - Step 6: Final answer
x = 281,234.05
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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.