Finding the Fourth Proportional to 490,305.24, 676,584.84 and 275,481.09
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Solution
The fourth proportional to 490,305.24, 676,584.84 and 275,481.09 is: 380,143.46
Step by Step Solution
- Step 1: Write the proportion equation
490,305.24 : 676,584.84 = 275,481.09 : x - Step 2: Convert to fraction form
490,305.24/676,584.84 = 275,481.09/x - Step 3: Cross multiply
490,305.24x = 676,584.84 × 275,481.09 - Step 4: Simplify right side
490,305.24x = 186,386,329,200.68 - Step 5: Solve for x
x = 186,386,329,200.68/490,305.24 - Step 6: Final answer
x = 380,143.46
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1.5x scale
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.