Finding the Fourth Proportional to 410,078.13, 615,324.66 and 276,678.03
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Solution
The fourth proportional to 410,078.13, 615,324.66 and 276,678.03 is: 415,157.02
Step by Step Solution
- Step 1: Write the proportion equation
410,078.13 : 615,324.66 = 276,678.03 : x - Step 2: Convert to fraction form
410,078.13/615,324.66 = 276,678.03/x - Step 3: Cross multiply
410,078.13x = 615,324.66 × 276,678.03 - Step 4: Simplify right side
410,078.13x = 170,246,814,739.22 - Step 5: Solve for x
x = 170,246,814,739.22/410,078.13 - Step 6: Final answer
x = 415,157.02
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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.