Finding the Fourth Proportional to 289,201.80, 433,802.70 and 149,233.80
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Solution
The fourth proportional to 289,201.80, 433,802.70 and 149,233.80 is: 223,850.70
Step by Step Solution
- Step 1: Write the proportion equation
289,201.80 : 433,802.70 = 149,233.80 : x - Step 2: Convert to fraction form
289,201.80/433,802.70 = 149,233.80/x - Step 3: Cross multiply
289,201.80x = 433,802.70 × 149,233.80 - Step 4: Simplify right side
289,201.80x = 64,738,025,371.26 - Step 5: Solve for x
x = 64,738,025,371.26/289,201.80 - Step 6: Final answer
x = 223,850.70
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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.