Finding the Fourth Proportional to 322,576.87, 445,157.81 and 177,392.01
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Solution
The fourth proportional to 322,576.87, 445,157.81 and 177,392.01 is: 244,801.92
Step by Step Solution
- Step 1: Write the proportion equation
322,576.87 : 445,157.81 = 177,392.01 : x - Step 2: Convert to fraction form
322,576.87/445,157.81 = 177,392.01/x - Step 3: Cross multiply
322,576.87x = 445,157.81 × 177,392.01 - Step 4: Simplify right side
322,576.87x = 78,967,438,683.10 - Step 5: Solve for x
x = 78,967,438,683.10/322,576.87 - Step 6: Final answer
x = 244,801.92
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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.