Finding the Fourth Proportional to 423,580.36, 635,183.97 and 199,004.62
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Solution
The fourth proportional to 423,580.36, 635,183.97 and 199,004.62 is: 298,419.28
Step by Step Solution
- Step 1: Write the proportion equation
423,580.36 : 635,183.97 = 199,004.62 : x - Step 2: Convert to fraction form
423,580.36/635,183.97 = 199,004.62/x - Step 3: Cross multiply
423,580.36x = 635,183.97 × 199,004.62 - Step 4: Simplify right side
423,580.36x = 126,404,544,579.94 - Step 5: Solve for x
x = 126,404,544,579.94/423,580.36 - Step 6: Final answer
x = 298,419.28
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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.