Finding the Fourth Proportional to 159,676.65, 239,515.97 and 47,357.79
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Solution
The fourth proportional to 159,676.65, 239,515.97 and 47,357.79 is: 71,036.98
Step by Step Solution
- Step 1: Write the proportion equation
159,676.65 : 239,515.97 = 47,357.79 : x - Step 2: Convert to fraction form
159,676.65/239,515.97 = 47,357.79/x - Step 3: Cross multiply
159,676.65x = 239,515.97 × 47,357.79 - Step 4: Simplify right side
159,676.65x = 11,342,946,772.12 - Step 5: Solve for x
x = 11,342,946,772.12/159,676.65 - Step 6: Final answer
x = 71,036.98
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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.