Finding the Fourth Proportional to 279,993.60, 419,115.60 and 201,261.60
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Solution
The fourth proportional to 279,993.60, 419,115.60 and 201,261.60 is: 301,263.59
Step by Step Solution
- Step 1: Write the proportion equation
279,993.60 : 419,115.60 = 201,261.60 : x - Step 2: Convert to fraction form
279,993.60/419,115.60 = 201,261.60/x - Step 3: Cross multiply
279,993.60x = 419,115.60 × 201,261.60 - Step 4: Simplify right side
279,993.60x = 84,351,876,240.96 - Step 5: Solve for x
x = 84,351,876,240.96/279,993.60 - Step 6: Final answer
x = 301,263.59
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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.