Finding the Fourth Proportional to 242,115.75, 363,231.99 and 75,903.75
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Solution
The fourth proportional to 242,115.75, 363,231.99 and 75,903.75 is: 113,873.92
Step by Step Solution
- Step 1: Write the proportion equation
242,115.75 : 363,231.99 = 75,903.75 : x - Step 2: Convert to fraction form
242,115.75/363,231.99 = 75,903.75/x - Step 3: Cross multiply
242,115.75x = 363,231.99 × 75,903.75 - Step 4: Simplify right side
242,115.75x = 27,570,670,160.96 - Step 5: Solve for x
x = 27,570,670,160.96/242,115.75 - Step 6: Final answer
x = 113,873.92
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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.