Finding the Fourth Proportional to 326,783.63, 490,595.23 and 251,951.31
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Solution
The fourth proportional to 326,783.63, 490,595.23 and 251,951.31 is: 378,250.62
Step by Step Solution
- Step 1: Write the proportion equation
326,783.63 : 490,595.23 = 251,951.31 : x - Step 2: Convert to fraction form
326,783.63/490,595.23 = 251,951.31/x - Step 3: Cross multiply
326,783.63x = 490,595.23 × 251,951.31 - Step 4: Simplify right side
326,783.63x = 123,606,111,193.19 - Step 5: Solve for x
x = 123,606,111,193.19/326,783.63 - Step 6: Final answer
x = 378,250.62
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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.