Finding the Fourth Proportional to 372,121.92, 558,183.28 and 135,466.56
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Solution
The fourth proportional to 372,121.92, 558,183.28 and 135,466.56 is: 203,199.99
Step by Step Solution
- Step 1: Write the proportion equation
372,121.92 : 558,183.28 = 135,466.56 : x - Step 2: Convert to fraction form
372,121.92/558,183.28 = 135,466.56/x - Step 3: Cross multiply
372,121.92x = 558,183.28 × 135,466.56 - Step 4: Simplify right side
372,121.92x = 75,615,168,791.12 - Step 5: Solve for x
x = 75,615,168,791.12/372,121.92 - Step 6: Final answer
x = 203,199.99
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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.