Finding the Fourth Proportional to 489,028.56, 733,536.90 and 134,042.28
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Solution
The fourth proportional to 489,028.56, 733,536.90 and 134,042.28 is: 201,061.79
Step by Step Solution
- Step 1: Write the proportion equation
489,028.56 : 733,536.90 = 134,042.28 : x - Step 2: Convert to fraction form
489,028.56/733,536.90 = 134,042.28/x - Step 3: Cross multiply
489,028.56x = 733,536.90 × 134,042.28 - Step 4: Simplify right side
489,028.56x = 98,324,958,540.13 - Step 5: Solve for x
x = 98,324,958,540.13/489,028.56 - Step 6: Final answer
x = 201,061.79
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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.