Finding the Fourth Proportional to 201,220.40, 301,830.60 and 201,220.40
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Solution
The fourth proportional to 201,220.40, 301,830.60 and 201,220.40 is: 301,830.60
Step by Step Solution
- Step 1: Write the proportion equation
201,220.40 : 301,830.60 = 201,220.40 : x - Step 2: Convert to fraction form
201,220.40/301,830.60 = 201,220.40/x - Step 3: Cross multiply
201,220.40x = 301,830.60 × 201,220.40 - Step 4: Simplify right side
201,220.40x = 60,734,474,064.24 - Step 5: Solve for x
x = 60,734,474,064.24/201,220.40 - Step 6: Final answer
x = 301,830.60
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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.