Finding the Fourth Proportional to 194,339.63, 268,255.80 and 113,793.05
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Solution
The fourth proportional to 194,339.63, 268,255.80 and 113,793.05 is: 157,073.70
Step by Step Solution
- Step 1: Write the proportion equation
194,339.63 : 268,255.80 = 113,793.05 : x - Step 2: Convert to fraction form
194,339.63/268,255.80 = 113,793.05/x - Step 3: Cross multiply
194,339.63x = 268,255.80 × 113,793.05 - Step 4: Simplify right side
194,339.63x = 30,525,645,662.19 - Step 5: Solve for x
x = 30,525,645,662.19/194,339.63 - Step 6: Final answer
x = 157,073.70
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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.