Finding the Fourth Proportional to 980,124.01, 1,470,481.26 and 306,178.09
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Solution
The fourth proportional to 980,124.01, 1,470,481.26 and 306,178.09 is: 459,359.36
Step by Step Solution
- Step 1: Write the proportion equation
980,124.01 : 1,470,481.26 = 306,178.09 : x - Step 2: Convert to fraction form
980,124.01/1,470,481.26 = 306,178.09/x - Step 3: Cross multiply
980,124.01x = 1,470,481.26 × 306,178.09 - Step 4: Simplify right side
980,124.01x = 450,229,138,743.22 - Step 5: Solve for x
x = 450,229,138,743.22/980,124.01 - Step 6: Final answer
x = 459,359.36
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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.