Finding the Fourth Proportional to 135,829.44, 203,744.24 and 47,082.96
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Solution
The fourth proportional to 135,829.44, 203,744.24 and 47,082.96 is: 70,624.47
Step by Step Solution
- Step 1: Write the proportion equation
135,829.44 : 203,744.24 = 47,082.96 : x - Step 2: Convert to fraction form
135,829.44/203,744.24 = 47,082.96/x - Step 3: Cross multiply
135,829.44x = 203,744.24 × 47,082.96 - Step 4: Simplify right side
135,829.44x = 9,592,881,902.15 - Step 5: Solve for x
x = 9,592,881,902.15/135,829.44 - Step 6: Final answer
x = 70,624.47
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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.