Finding the Fourth Proportional to 326,338.29, 450,375.35 and 190,416.03
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Solution
The fourth proportional to 326,338.29, 450,375.35 and 190,416.03 is: 262,790.75
Step by Step Solution
- Step 1: Write the proportion equation
326,338.29 : 450,375.35 = 190,416.03 : x - Step 2: Convert to fraction form
326,338.29/450,375.35 = 190,416.03/x - Step 3: Cross multiply
326,338.29x = 450,375.35 × 190,416.03 - Step 4: Simplify right side
326,338.29x = 85,758,683,515.87 - Step 5: Solve for x
x = 85,758,683,515.87/326,338.29 - Step 6: Final answer
x = 262,790.75
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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.