Finding the Fourth Proportional to 194,289.92, 268,121.10 and 113,701.76
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Solution
The fourth proportional to 194,289.92, 268,121.10 and 113,701.76 is: 156,909.02
Step by Step Solution
- Step 1: Write the proportion equation
194,289.92 : 268,121.10 = 113,701.76 : x - Step 2: Convert to fraction form
194,289.92/268,121.10 = 113,701.76/x - Step 3: Cross multiply
194,289.92x = 268,121.10 × 113,701.76 - Step 4: Simplify right side
194,289.92x = 30,485,840,963.14 - Step 5: Solve for x
x = 30,485,840,963.14/194,289.92 - Step 6: Final answer
x = 156,909.02
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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.