Finding the Fourth Proportional to 423,615.83, 635,546.75 and 170,765.84
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Solution
The fourth proportional to 423,615.83, 635,546.75 and 170,765.84 is: 256,198.34
Step by Step Solution
- Step 1: Write the proportion equation
423,615.83 : 635,546.75 = 170,765.84 : x - Step 2: Convert to fraction form
423,615.83/635,546.75 = 170,765.84/x - Step 3: Cross multiply
423,615.83x = 635,546.75 × 170,765.84 - Step 4: Simplify right side
423,615.83x = 108,529,673,769.19 - Step 5: Solve for x
x = 108,529,673,769.19/423,615.83 - Step 6: Final answer
x = 256,198.34
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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.