Finding the Fourth Proportional to 246,373.21, 339,872.80 and 159,128.31
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Solution
The fourth proportional to 246,373.21, 339,872.80 and 159,128.31 is: 219,518.12
Step by Step Solution
- Step 1: Write the proportion equation
246,373.21 : 339,872.80 = 159,128.31 : x - Step 2: Convert to fraction form
246,373.21/339,872.80 = 159,128.31/x - Step 3: Cross multiply
246,373.21x = 339,872.80 × 159,128.31 - Step 4: Simplify right side
246,373.21x = 54,083,383,483.33 - Step 5: Solve for x
x = 54,083,383,483.33/246,373.21 - Step 6: Final answer
x = 219,518.12
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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.