Finding the Fourth Proportional to 311,760.24, 430,257.24 and 177,667.44
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Solution
The fourth proportional to 311,760.24, 430,257.24 and 177,667.44 is: 245,197.09
Step by Step Solution
- Step 1: Write the proportion equation
311,760.24 : 430,257.24 = 177,667.44 : x - Step 2: Convert to fraction form
311,760.24/430,257.24 = 177,667.44/x - Step 3: Cross multiply
311,760.24x = 430,257.24 × 177,667.44 - Step 4: Simplify right side
311,760.24x = 76,442,702,372.27 - Step 5: Solve for x
x = 76,442,702,372.27/311,760.24 - Step 6: Final answer
x = 245,197.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.