Finding the Fourth Proportional to 391,754.44, 587,615.24 and 125,509.06
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Solution
The fourth proportional to 391,754.44, 587,615.24 and 125,509.06 is: 188,258.33
Step by Step Solution
- Step 1: Write the proportion equation
391,754.44 : 587,615.24 = 125,509.06 : x - Step 2: Convert to fraction form
391,754.44/587,615.24 = 125,509.06/x - Step 3: Cross multiply
391,754.44x = 587,615.24 × 125,509.06 - Step 4: Simplify right side
391,754.44x = 73,751,036,414.07 - Step 5: Solve for x
x = 73,751,036,414.07/391,754.44 - Step 6: Final answer
x = 188,258.33
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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.