Finding the Fourth Proportional to 415,676.20, 623,697.90 and 202,325.80
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Solution
The fourth proportional to 415,676.20, 623,697.90 and 202,325.80 is: 303,578.07
Step by Step Solution
- Step 1: Write the proportion equation
415,676.20 : 623,697.90 = 202,325.80 : x - Step 2: Convert to fraction form
415,676.20/623,697.90 = 202,325.80/x - Step 3: Cross multiply
415,676.20x = 623,697.90 × 202,325.80 - Step 4: Simplify right side
415,676.20x = 126,190,176,575.82 - Step 5: Solve for x
x = 126,190,176,575.82/415,676.20 - Step 6: Final answer
x = 303,578.07
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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.