Finding the Fourth Proportional to 372,074.24, 513,458.92 and 202,308.44
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Solution
The fourth proportional to 372,074.24, 513,458.92 and 202,308.44 is: 279,183.73
Step by Step Solution
- Step 1: Write the proportion equation
372,074.24 : 513,458.92 = 202,308.44 : x - Step 2: Convert to fraction form
372,074.24/513,458.92 = 202,308.44/x - Step 3: Cross multiply
372,074.24x = 513,458.92 × 202,308.44 - Step 4: Simplify right side
372,074.24x = 103,877,073,109.29 - Step 5: Solve for x
x = 103,877,073,109.29/372,074.24 - Step 6: Final answer
x = 279,183.73
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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.