Finding the Fourth Proportional to 331,284.86, 496,554.56 and 141,650.09
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Solution
The fourth proportional to 331,284.86, 496,554.56 and 141,650.09 is: 212,315.76
Step by Step Solution
- Step 1: Write the proportion equation
331,284.86 : 496,554.56 = 141,650.09 : x - Step 2: Convert to fraction form
331,284.86/496,554.56 = 141,650.09/x - Step 3: Cross multiply
331,284.86x = 496,554.56 × 141,650.09 - Step 4: Simplify right side
331,284.86x = 70,336,998,113.91 - Step 5: Solve for x
x = 70,336,998,113.91/331,284.86 - Step 6: Final answer
x = 212,315.76
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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.