Finding the Fourth Proportional to 410,198.10, 615,297.15 and 110,678.68
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Solution
The fourth proportional to 410,198.10, 615,297.15 and 110,678.68 is: 166,018.02
Step by Step Solution
- Step 1: Write the proportion equation
410,198.10 : 615,297.15 = 110,678.68 : x - Step 2: Convert to fraction form
410,198.10/615,297.15 = 110,678.68/x - Step 3: Cross multiply
410,198.10x = 615,297.15 × 110,678.68 - Step 4: Simplify right side
410,198.10x = 68,100,276,369.76 - Step 5: Solve for x
x = 68,100,276,369.76/410,198.10 - Step 6: Final answer
x = 166,018.02
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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.