Finding the Fourth Proportional to 289,155.40, 433,295.70 and 244,540.60
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Solution
The fourth proportional to 289,155.40, 433,295.70 and 244,540.60 is: 366,440.99
Step by Step Solution
- Step 1: Write the proportion equation
289,155.40 : 433,295.70 = 244,540.60 : x - Step 2: Convert to fraction form
289,155.40/433,295.70 = 244,540.60/x - Step 3: Cross multiply
289,155.40x = 433,295.70 × 244,540.60 - Step 4: Simplify right side
289,155.40x = 105,958,390,455.42 - Step 5: Solve for x
x = 105,958,390,455.42/289,155.40 - Step 6: Final answer
x = 366,440.99
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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.