Finding the Fourth Proportional to 417,474.86, 576,115.47 and 236,183.09
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Solution
The fourth proportional to 417,474.86, 576,115.47 and 236,183.09 is: 325,932.75
Step by Step Solution
- Step 1: Write the proportion equation
417,474.86 : 576,115.47 = 236,183.09 : x - Step 2: Convert to fraction form
417,474.86/576,115.47 = 236,183.09/x - Step 3: Cross multiply
417,474.86x = 576,115.47 × 236,183.09 - Step 4: Simplify right side
417,474.86x = 136,068,729,020.83 - Step 5: Solve for x
x = 136,068,729,020.83/417,474.86 - Step 6: Final answer
x = 325,932.75
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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.