Finding the Fourth Proportional to 134,142.40, 201,213.60 and 132,392.80
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Solution
The fourth proportional to 134,142.40, 201,213.60 and 132,392.80 is: 198,589.20
Step by Step Solution
- Step 1: Write the proportion equation
134,142.40 : 201,213.60 = 132,392.80 : x - Step 2: Convert to fraction form
134,142.40/201,213.60 = 132,392.80/x - Step 3: Cross multiply
134,142.40x = 201,213.60 × 132,392.80 - Step 4: Simplify right side
134,142.40x = 26,639,231,902.08 - Step 5: Solve for x
x = 26,639,231,902.08/134,142.40 - Step 6: Final answer
x = 198,589.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.