Finding the Fourth Proportional to 319,723.37, 479,481.22 and 106,433.99
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Solution
The fourth proportional to 319,723.37, 479,481.22 and 106,433.99 is: 159,616.42
Step by Step Solution
- Step 1: Write the proportion equation
319,723.37 : 479,481.22 = 106,433.99 : x - Step 2: Convert to fraction form
319,723.37/479,481.22 = 106,433.99/x - Step 3: Cross multiply
319,723.37x = 479,481.22 × 106,433.99 - Step 4: Simplify right side
319,723.37x = 51,033,099,374.67 - Step 5: Solve for x
x = 51,033,099,374.67/319,723.37 - Step 6: Final answer
x = 159,616.42
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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.