Finding the Fourth Proportional to 481,569.36, 664,508.74 and 277,687.26
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Solution
The fourth proportional to 481,569.36, 664,508.74 and 277,687.26 is: 383,175.56
Step by Step Solution
- Step 1: Write the proportion equation
481,569.36 : 664,508.74 = 277,687.26 : x - Step 2: Convert to fraction form
481,569.36/664,508.74 = 277,687.26/x - Step 3: Cross multiply
481,569.36x = 664,508.74 × 277,687.26 - Step 4: Simplify right side
481,569.36x = 184,525,611,256.65 - Step 5: Solve for x
x = 184,525,611,256.65/481,569.36 - Step 6: Final answer
x = 383,175.56
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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.