Finding the Fourth Proportional to 481,778.12, 664,836.17 and 277,837.63
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Solution
The fourth proportional to 481,778.12, 664,836.17 and 277,837.63 is: 383,405.76
Step by Step Solution
- Step 1: Write the proportion equation
481,778.12 : 664,836.17 = 277,837.63 : x - Step 2: Convert to fraction form
481,778.12/664,836.17 = 277,837.63/x - Step 3: Cross multiply
481,778.12x = 664,836.17 × 277,837.63 - Step 4: Simplify right side
481,778.12x = 184,716,505,811.08 - Step 5: Solve for x
x = 184,716,505,811.08/481,778.12 - Step 6: Final answer
x = 383,405.76
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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.