Finding the Fourth Proportional to 373,678.75, 515,676.68 and 222,775.75
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Solution
The fourth proportional to 373,678.75, 515,676.68 and 222,775.75 is: 307,430.54
Step by Step Solution
- Step 1: Write the proportion equation
373,678.75 : 515,676.68 = 222,775.75 : x - Step 2: Convert to fraction form
373,678.75/515,676.68 = 222,775.75/x - Step 3: Cross multiply
373,678.75x = 515,676.68 × 222,775.75 - Step 4: Simplify right side
373,678.75x = 114,880,259,144.51 - Step 5: Solve for x
x = 114,880,259,144.51/373,678.75 - Step 6: Final answer
x = 307,430.54
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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.