Finding the Fourth Proportional to 159,836.06, 239,676.32 and 84,992.06
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Solution
The fourth proportional to 159,836.06, 239,676.32 and 84,992.06 is: 127,446.74
Step by Step Solution
- Step 1: Write the proportion equation
159,836.06 : 239,676.32 = 84,992.06 : x - Step 2: Convert to fraction form
159,836.06/239,676.32 = 84,992.06/x - Step 3: Cross multiply
159,836.06x = 239,676.32 × 84,992.06 - Step 4: Simplify right side
159,836.06x = 20,370,584,170.02 - Step 5: Solve for x
x = 20,370,584,170.02/159,836.06 - Step 6: Final answer
x = 127,446.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.