Finding the Fourth Proportional to 298,914.70, 449,146.41 and 224,734.09
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Solution
The fourth proportional to 298,914.70, 449,146.41 and 224,734.09 is: 337,683.32
Step by Step Solution
- Step 1: Write the proportion equation
298,914.70 : 449,146.41 = 224,734.09 : x - Step 2: Convert to fraction form
298,914.70/449,146.41 = 224,734.09/x - Step 3: Cross multiply
298,914.70x = 449,146.41 × 224,734.09 - Step 4: Simplify right side
298,914.70x = 100,938,509,728.12 - Step 5: Solve for x
x = 100,938,509,728.12/298,914.70 - Step 6: Final answer
x = 337,683.32
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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.