Finding the Fourth Proportional to 194,638.14, 268,445.14 and 134,194.93
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Solution
The fourth proportional to 194,638.14, 268,445.14 and 134,194.93 is: 185,081.79
Step by Step Solution
- Step 1: Write the proportion equation
194,638.14 : 268,445.14 = 134,194.93 : x - Step 2: Convert to fraction form
194,638.14/268,445.14 = 134,194.93/x - Step 3: Cross multiply
194,638.14x = 268,445.14 × 134,194.93 - Step 4: Simplify right side
194,638.14x = 36,023,975,764.54 - Step 5: Solve for x
x = 36,023,975,764.54/194,638.14 - Step 6: Final answer
x = 185,081.79
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1.5x scale
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.