Finding the Fourth Proportional to 307,640.20, 461,546.70 and 149,873.80
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Solution
The fourth proportional to 307,640.20, 461,546.70 and 149,873.80 is: 224,852.79
Step by Step Solution
- Step 1: Write the proportion equation
307,640.20 : 461,546.70 = 149,873.80 : x - Step 2: Convert to fraction form
307,640.20/461,546.70 = 149,873.80/x - Step 3: Cross multiply
307,640.20x = 461,546.70 × 149,873.80 - Step 4: Simplify right side
307,640.20x = 69,173,757,806.46 - Step 5: Solve for x
x = 69,173,757,806.46/307,640.20 - Step 6: Final answer
x = 224,852.79
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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.