Finding the Fourth Proportional to 159,927.94, 239,891.88 and 47,609.80
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Solution
The fourth proportional to 159,927.94, 239,891.88 and 47,609.80 is: 71,414.69
Step by Step Solution
- Step 1: Write the proportion equation
159,927.94 : 239,891.88 = 47,609.80 : x - Step 2: Convert to fraction form
159,927.94/239,891.88 = 47,609.80/x - Step 3: Cross multiply
159,927.94x = 239,891.88 × 47,609.80 - Step 4: Simplify right side
159,927.94x = 11,421,204,428.42 - Step 5: Solve for x
x = 11,421,204,428.42/159,927.94 - Step 6: Final answer
x = 71,414.69
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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.