Finding the Fourth Proportional to 134,138.30, 201,207.45 and 134,138.30
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Solution
The fourth proportional to 134,138.30, 201,207.45 and 134,138.30 is: 201,207.45
Step by Step Solution
- Step 1: Write the proportion equation
134,138.30 : 201,207.45 = 134,138.30 : x - Step 2: Convert to fraction form
134,138.30/201,207.45 = 134,138.30/x - Step 3: Cross multiply
134,138.30x = 201,207.45 × 134,138.30 - Step 4: Simplify right side
134,138.30x = 26,989,625,290.34 - Step 5: Solve for x
x = 26,989,625,290.34/134,138.30 - Step 6: Final answer
x = 201,207.45
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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.