Finding the Fourth Proportional to 239,676.05, 330,759.87 and 132,253.00
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Solution
The fourth proportional to 239,676.05, 330,759.87 and 132,253.00 is: 182,512.95
Step by Step Solution
- Step 1: Write the proportion equation
239,676.05 : 330,759.87 = 132,253.00 : x - Step 2: Convert to fraction form
239,676.05/330,759.87 = 132,253.00/x - Step 3: Cross multiply
239,676.05x = 330,759.87 × 132,253.00 - Step 4: Simplify right side
239,676.05x = 43,743,982,772.05 - Step 5: Solve for x
x = 43,743,982,772.05/239,676.05 - Step 6: Final answer
x = 182,512.95
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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.