Finding the Fourth Proportional to 372,197.07, 513,467.24 and 228,872.43
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Solution
The fourth proportional to 372,197.07, 513,467.24 and 228,872.43 is: 315,742.66
Step by Step Solution
- Step 1: Write the proportion equation
372,197.07 : 513,467.24 = 228,872.43 : x - Step 2: Convert to fraction form
372,197.07/513,467.24 = 228,872.43/x - Step 3: Cross multiply
372,197.07x = 513,467.24 × 228,872.43 - Step 4: Simplify right side
372,197.07x = 117,518,493,799.83 - Step 5: Solve for x
x = 117,518,493,799.83/372,197.07 - Step 6: Final answer
x = 315,742.66
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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.