Finding the Fourth Proportional to 159,888.66, 239,791.20 and 47,538.62
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Solution
The fourth proportional to 159,888.66, 239,791.20 and 47,538.62 is: 71,295.50
Step by Step Solution
- Step 1: Write the proportion equation
159,888.66 : 239,791.20 = 47,538.62 : x - Step 2: Convert to fraction form
159,888.66/239,791.20 = 47,538.62/x - Step 3: Cross multiply
159,888.66x = 239,791.20 × 47,538.62 - Step 4: Simplify right side
159,888.66x = 11,399,342,736.14 - Step 5: Solve for x
x = 11,399,342,736.14/159,888.66 - Step 6: Final answer
x = 71,295.50
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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.