Finding the Fourth Proportional to 201,969.40, 302,954.10 and 134,609.80
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Solution
The fourth proportional to 201,969.40, 302,954.10 and 134,609.80 is: 201,914.70
Step by Step Solution
- Step 1: Write the proportion equation
201,969.40 : 302,954.10 = 134,609.80 : x - Step 2: Convert to fraction form
201,969.40/302,954.10 = 134,609.80/x - Step 3: Cross multiply
201,969.40x = 302,954.10 × 134,609.80 - Step 4: Simplify right side
201,969.40x = 40,780,590,810.18 - Step 5: Solve for x
x = 40,780,590,810.18/201,969.40 - Step 6: Final answer
x = 201,914.70
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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.