Finding the Fourth Proportional to 481,463.13, 664,418.09 and 277,512.67
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Solution
The fourth proportional to 481,463.13, 664,418.09 and 277,512.67 is: 382,966.89
Step by Step Solution
- Step 1: Write the proportion equation
481,463.13 : 664,418.09 = 277,512.67 : x - Step 2: Convert to fraction form
481,463.13/664,418.09 = 277,512.67/x - Step 3: Cross multiply
481,463.13x = 664,418.09 × 277,512.67 - Step 4: Simplify right side
481,463.13x = 184,384,438,152.20 - Step 5: Solve for x
x = 184,384,438,152.20/481,463.13 - Step 6: Final answer
x = 382,966.89
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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.