Finding the Fourth Proportional to 354,517.28, 489,235.36 and 193,375.76
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Solution
The fourth proportional to 354,517.28, 489,235.36 and 193,375.76 is: 266,859.37
Step by Step Solution
- Step 1: Write the proportion equation
354,517.28 : 489,235.36 = 193,375.76 : x - Step 2: Convert to fraction form
354,517.28/489,235.36 = 193,375.76/x - Step 3: Cross multiply
354,517.28x = 489,235.36 × 193,375.76 - Step 4: Simplify right side
354,517.28x = 94,606,259,558.87 - Step 5: Solve for x
x = 94,606,259,558.87/354,517.28 - Step 6: Final answer
x = 266,859.37
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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.