Finding the Fourth Proportional to 149,563.20, 224,467.20 and 148,396.80
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Solution
The fourth proportional to 149,563.20, 224,467.20 and 148,396.80 is: 222,716.65
Step by Step Solution
- Step 1: Write the proportion equation
149,563.20 : 224,467.20 = 148,396.80 : x - Step 2: Convert to fraction form
149,563.20/224,467.20 = 148,396.80/x - Step 3: Cross multiply
149,563.20x = 224,467.20 × 148,396.80 - Step 4: Simplify right side
149,563.20x = 33,310,214,184.96 - Step 5: Solve for x
x = 33,310,214,184.96/149,563.20 - Step 6: Final answer
x = 222,716.65
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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.