Finding the Fourth Proportional to 517,181.24, 775,771.99 and 143,204.24
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Solution
The fourth proportional to 517,181.24, 775,771.99 and 143,204.24 is: 214,806.40
Step by Step Solution
- Step 1: Write the proportion equation
517,181.24 : 775,771.99 = 143,204.24 : x - Step 2: Convert to fraction form
517,181.24/775,771.99 = 143,204.24/x - Step 3: Cross multiply
517,181.24x = 775,771.99 × 143,204.24 - Step 4: Simplify right side
517,181.24x = 111,093,838,241.24 - Step 5: Solve for x
x = 111,093,838,241.24/517,181.24 - Step 6: Final answer
x = 214,806.40
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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.