Finding the Fourth Proportional to 159,953.69, 239,982.36 and 47,634.84
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Solution
The fourth proportional to 159,953.69, 239,982.36 and 47,634.84 is: 71,467.69
Step by Step Solution
- Step 1: Write the proportion equation
159,953.69 : 239,982.36 = 47,634.84 : x - Step 2: Convert to fraction form
159,953.69/239,982.36 = 47,634.84/x - Step 3: Cross multiply
159,953.69x = 239,982.36 × 47,634.84 - Step 4: Simplify right side
159,953.69x = 11,431,521,083.25 - Step 5: Solve for x
x = 11,431,521,083.25/159,953.69 - Step 6: Final answer
x = 71,467.69
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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.