Finding the Fourth Proportional to 134,135.20, 201,202.80 and 40,645.60
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Solution
The fourth proportional to 134,135.20, 201,202.80 and 40,645.60 is: 60,968.40
Step by Step Solution
- Step 1: Write the proportion equation
134,135.20 : 201,202.80 = 40,645.60 : x - Step 2: Convert to fraction form
134,135.20/201,202.80 = 40,645.60/x - Step 3: Cross multiply
134,135.20x = 201,202.80 × 40,645.60 - Step 4: Simplify right side
134,135.20x = 8,178,008,527.68 - Step 5: Solve for x
x = 8,178,008,527.68/134,135.20 - Step 6: Final answer
x = 60,968.40
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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.