Finding the Fourth Proportional to 379,378.76, 568,901.34 and 201,843.50
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Solution
The fourth proportional to 379,378.76, 568,901.34 and 201,843.50 is: 302,676.50
Step by Step Solution
- Step 1: Write the proportion equation
379,378.76 : 568,901.34 = 201,843.50 : x - Step 2: Convert to fraction form
379,378.76/568,901.34 = 201,843.50/x - Step 3: Cross multiply
379,378.76x = 568,901.34 × 201,843.50 - Step 4: Simplify right side
379,378.76x = 114,829,034,775.78 - Step 5: Solve for x
x = 114,829,034,775.78/379,378.76 - Step 6: Final answer
x = 302,676.50
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1.5x scale
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.