Finding the Fourth Proportional to 481,383.24, 664,220.34 and 277,405.56
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Solution
The fourth proportional to 481,383.24, 664,220.34 and 277,405.56 is: 382,768.66
Step by Step Solution
- Step 1: Write the proportion equation
481,383.24 : 664,220.34 = 277,405.56 : x - Step 2: Convert to fraction form
481,383.24/664,220.34 = 277,405.56/x - Step 3: Cross multiply
481,383.24x = 664,220.34 × 277,405.56 - Step 4: Simplify right side
481,383.24x = 184,258,415,381.09 - Step 5: Solve for x
x = 184,258,415,381.09/481,383.24 - Step 6: Final answer
x = 382,768.66
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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.