Finding the Fourth Proportional to 159,747.44, 239,658.03 and 47,425.14
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Solution
The fourth proportional to 159,747.44, 239,658.03 and 47,425.14 is: 71,148.66
Step by Step Solution
- Step 1: Write the proportion equation
159,747.44 : 239,658.03 = 47,425.14 : x - Step 2: Convert to fraction form
159,747.44/239,658.03 = 47,425.14/x - Step 3: Cross multiply
159,747.44x = 239,658.03 × 47,425.14 - Step 4: Simplify right side
159,747.44x = 11,365,815,624.87 - Step 5: Solve for x
x = 11,365,815,624.87/159,747.44 - Step 6: Final answer
x = 71,148.66
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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.