Finding the Fourth Proportional to 322,558.29, 445,141.86 and 177,375.08
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Solution
The fourth proportional to 322,558.29, 445,141.86 and 177,375.08 is: 244,783.89
Step by Step Solution
- Step 1: Write the proportion equation
322,558.29 : 445,141.86 = 177,375.08 : x - Step 2: Convert to fraction form
322,558.29/445,141.86 = 177,375.08/x - Step 3: Cross multiply
322,558.29x = 445,141.86 × 177,375.08 - Step 4: Simplify right side
322,558.29x = 78,957,073,598.87 - Step 5: Solve for x
x = 78,957,073,598.87/322,558.29 - Step 6: Final answer
x = 244,783.89
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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.