Finding the Fourth Proportional to 481,170.21, 663,956.64 and 277,287.95
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Solution
The fourth proportional to 481,170.21, 663,956.64 and 277,287.95 is: 382,623.80
Step by Step Solution
- Step 1: Write the proportion equation
481,170.21 : 663,956.64 = 277,287.95 : x - Step 2: Convert to fraction form
481,170.21/663,956.64 = 277,287.95/x - Step 3: Cross multiply
481,170.21x = 663,956.64 × 277,287.95 - Step 4: Simplify right side
481,170.21x = 184,107,172,274.71 - Step 5: Solve for x
x = 184,107,172,274.71/481,170.21 - Step 6: Final answer
x = 382,623.80
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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.