Finding the Fourth Proportional to 352,725.32, 486,767.24 and 199,795.09
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Solution
The fourth proportional to 352,725.32, 486,767.24 and 199,795.09 is: 275,720.79
Step by Step Solution
- Step 1: Write the proportion equation
352,725.32 : 486,767.24 = 199,795.09 : x - Step 2: Convert to fraction form
352,725.32/486,767.24 = 199,795.09/x - Step 3: Cross multiply
352,725.32x = 486,767.24 × 199,795.09 - Step 4: Simplify right side
352,725.32x = 97,253,704,524.85 - Step 5: Solve for x
x = 97,253,704,524.85/352,725.32 - Step 6: Final answer
x = 275,720.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.