Finding the Fourth Proportional to 481,570.11, 664,560.05 and 277,621.43
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Solution
The fourth proportional to 481,570.11, 664,560.05 and 277,621.43 is: 383,113.70
Step by Step Solution
- Step 1: Write the proportion equation
481,570.11 : 664,560.05 = 277,621.43 : x - Step 2: Convert to fraction form
481,570.11/664,560.05 = 277,621.43/x - Step 3: Cross multiply
481,570.11x = 664,560.05 × 277,621.43 - Step 4: Simplify right side
481,570.11x = 184,496,106,690.96 - Step 5: Solve for x
x = 184,496,106,690.96/481,570.11 - Step 6: Final answer
x = 383,113.70
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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.