Finding the Fourth Proportional to 201,102.40, 301,653.60 and 133,742.80
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Solution
The fourth proportional to 201,102.40, 301,653.60 and 133,742.80 is: 200,614.20
Step by Step Solution
- Step 1: Write the proportion equation
201,102.40 : 301,653.60 = 133,742.80 : x - Step 2: Convert to fraction form
201,102.40/301,653.60 = 133,742.80/x - Step 3: Cross multiply
201,102.40x = 301,653.60 × 133,742.80 - Step 4: Simplify right side
201,102.40x = 40,343,997,094.08 - Step 5: Solve for x
x = 40,343,997,094.08/201,102.40 - Step 6: Final answer
x = 200,614.20
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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.