Finding the Fourth Proportional to 134,138.40, 201,207.60 and 132,388.80
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Solution
The fourth proportional to 134,138.40, 201,207.60 and 132,388.80 is: 198,583.20
Step by Step Solution
- Step 1: Write the proportion equation
134,138.40 : 201,207.60 = 132,388.80 : x - Step 2: Convert to fraction form
134,138.40/201,207.60 = 132,388.80/x - Step 3: Cross multiply
134,138.40x = 201,207.60 × 132,388.80 - Step 4: Simplify right side
134,138.40x = 26,637,632,714.88 - Step 5: Solve for x
x = 26,637,632,714.88/134,138.40 - Step 6: Final answer
x = 198,583.20
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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.