Finding the Fourth Proportional to 149,720.80, 224,581.20 and 135,942.70
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Solution
The fourth proportional to 149,720.80, 224,581.20 and 135,942.70 is: 203,914.05
Step by Step Solution
- Step 1: Write the proportion equation
149,720.80 : 224,581.20 = 135,942.70 : x - Step 2: Convert to fraction form
149,720.80/224,581.20 = 135,942.70/x - Step 3: Cross multiply
149,720.80x = 224,581.20 × 135,942.70 - Step 4: Simplify right side
149,720.80x = 30,530,174,697.24 - Step 5: Solve for x
x = 30,530,174,697.24/149,720.80 - Step 6: Final answer
x = 203,914.05
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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.