Finding the Fourth Proportional to 247,190.58, 340,793.19 and 196,372.02
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Solution
The fourth proportional to 247,190.58, 340,793.19 and 196,372.02 is: 270,731.38
Step by Step Solution
- Step 1: Write the proportion equation
247,190.58 : 340,793.19 = 196,372.02 : x - Step 2: Convert to fraction form
247,190.58/340,793.19 = 196,372.02/x - Step 3: Cross multiply
247,190.58x = 340,793.19 × 196,372.02 - Step 4: Simplify right side
247,190.58x = 66,922,247,122.54 - Step 5: Solve for x
x = 66,922,247,122.54/247,190.58 - Step 6: Final answer
x = 270,731.38
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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.