Finding the Fourth Proportional to 289,750.10, 434,625.15 and 201,176.60
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Solution
The fourth proportional to 289,750.10, 434,625.15 and 201,176.60 is: 301,764.90
Step by Step Solution
- Step 1: Write the proportion equation
289,750.10 : 434,625.15 = 201,176.60 : x - Step 2: Convert to fraction form
289,750.10/434,625.15 = 201,176.60/x - Step 3: Cross multiply
289,750.10x = 434,625.15 × 201,176.60 - Step 4: Simplify right side
289,750.10x = 87,436,409,951.49 - Step 5: Solve for x
x = 87,436,409,951.49/289,750.10 - Step 6: Final answer
x = 301,764.90
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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.