Finding the Fourth Proportional to 383,914.14, 529,812.78 and 214,144.62
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Solution
The fourth proportional to 383,914.14, 529,812.78 and 214,144.62 is: 295,525.86
Step by Step Solution
- Step 1: Write the proportion equation
383,914.14 : 529,812.78 = 214,144.62 : x - Step 2: Convert to fraction form
383,914.14/529,812.78 = 214,144.62/x - Step 3: Cross multiply
383,914.14x = 529,812.78 × 214,144.62 - Step 4: Simplify right side
383,914.14x = 113,456,556,444.24 - Step 5: Solve for x
x = 113,456,556,444.24/383,914.14 - Step 6: Final answer
x = 295,525.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.