Finding the Fourth Proportional to 246,358.56, 339,975.68 and 133,181.32
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Solution
The fourth proportional to 246,358.56, 339,975.68 and 133,181.32 is: 183,790.69
Step by Step Solution
- Step 1: Write the proportion equation
246,358.56 : 339,975.68 = 133,181.32 : x - Step 2: Convert to fraction form
246,358.56/339,975.68 = 133,181.32/x - Step 3: Cross multiply
246,358.56x = 339,975.68 × 133,181.32 - Step 4: Simplify right side
246,358.56x = 45,278,409,830.30 - Step 5: Solve for x
x = 45,278,409,830.30/246,358.56 - Step 6: Final answer
x = 183,790.69
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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.