Finding the Fourth Proportional to 298,819.96, 448,274.05 and 106,679.49
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Solution
The fourth proportional to 298,819.96, 448,274.05 and 106,679.49 is: 160,034.99
Step by Step Solution
- Step 1: Write the proportion equation
298,819.96 : 448,274.05 = 106,679.49 : x - Step 2: Convert to fraction form
298,819.96/448,274.05 = 106,679.49/x - Step 3: Cross multiply
298,819.96x = 448,274.05 × 106,679.49 - Step 4: Simplify right side
298,819.96x = 47,821,647,034.23 - Step 5: Solve for x
x = 47,821,647,034.23/298,819.96 - Step 6: Final answer
x = 160,034.99
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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.