Finding the Fourth Proportional to 311,445.44, 466,803.74 and 142,982.05
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Solution
The fourth proportional to 311,445.44, 466,803.74 and 142,982.05 is: 214,305.77
Step by Step Solution
- Step 1: Write the proportion equation
311,445.44 : 466,803.74 = 142,982.05 : x - Step 2: Convert to fraction form
311,445.44/466,803.74 = 142,982.05/x - Step 3: Cross multiply
311,445.44x = 466,803.74 × 142,982.05 - Step 4: Simplify right side
311,445.44x = 66,744,555,692.87 - Step 5: Solve for x
x = 66,744,555,692.87/311,445.44 - Step 6: Final answer
x = 214,305.77
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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.