Finding the Fourth Proportional to 331,272.75, 496,898.19 and 106,645.98
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Solution
The fourth proportional to 331,272.75, 496,898.19 and 106,645.98 is: 159,965.45
Step by Step Solution
- Step 1: Write the proportion equation
331,272.75 : 496,898.19 = 106,645.98 : x - Step 2: Convert to fraction form
331,272.75/496,898.19 = 106,645.98/x - Step 3: Cross multiply
331,272.75x = 496,898.19 × 106,645.98 - Step 4: Simplify right side
331,272.75x = 52,992,194,432.78 - Step 5: Solve for x
x = 52,992,194,432.78/331,272.75 - Step 6: Final answer
x = 159,965.45
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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.