Finding the Fourth Proportional to 354,544.22, 489,277.87 and 193,405.19
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Solution
The fourth proportional to 354,544.22, 489,277.87 and 193,405.19 is: 266,902.89
Step by Step Solution
- Step 1: Write the proportion equation
354,544.22 : 489,277.87 = 193,405.19 : x - Step 2: Convert to fraction form
354,544.22/489,277.87 = 193,405.19/x - Step 3: Cross multiply
354,544.22x = 489,277.87 × 193,405.19 - Step 4: Simplify right side
354,544.22x = 94,628,876,480.24 - Step 5: Solve for x
x = 94,628,876,480.24/354,544.22 - Step 6: Final answer
x = 266,902.89
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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.