Finding the Fourth Proportional to 246,720.68, 340,481.20 and 149,891.60
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Solution
The fourth proportional to 246,720.68, 340,481.20 and 149,891.60 is: 206,854.46
Step by Step Solution
- Step 1: Write the proportion equation
246,720.68 : 340,481.20 = 149,891.60 : x - Step 2: Convert to fraction form
246,720.68/340,481.20 = 149,891.60/x - Step 3: Cross multiply
246,720.68x = 340,481.20 × 149,891.60 - Step 4: Simplify right side
246,720.68x = 51,035,271,837.92 - Step 5: Solve for x
x = 51,035,271,837.92/246,720.68 - Step 6: Final answer
x = 206,854.46
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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.