Finding the Fourth Proportional to 481,780.11, 664,838.94 and 277,839.63
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Solution
The fourth proportional to 481,780.11, 664,838.94 and 277,839.63 is: 383,408.53
Step by Step Solution
- Step 1: Write the proportion equation
481,780.11 : 664,838.94 = 277,839.63 : x - Step 2: Convert to fraction form
481,780.11/664,838.94 = 277,839.63/x - Step 3: Cross multiply
481,780.11x = 664,838.94 × 277,839.63 - Step 4: Simplify right side
481,780.11x = 184,718,605,099.19 - Step 5: Solve for x
x = 184,718,605,099.19/481,780.11 - Step 6: Final answer
x = 383,408.53
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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.