Finding the Fourth Proportional to 321,760.68, 482,768.14 and 122,134.05
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Solution
The fourth proportional to 321,760.68, 482,768.14 and 122,134.05 is: 183,249.33
Step by Step Solution
- Step 1: Write the proportion equation
321,760.68 : 482,768.14 = 122,134.05 : x - Step 2: Convert to fraction form
321,760.68/482,768.14 = 122,134.05/x - Step 3: Cross multiply
321,760.68x = 482,768.14 × 122,134.05 - Step 4: Simplify right side
321,760.68x = 58,962,429,774.12 - Step 5: Solve for x
x = 58,962,429,774.12/321,760.68 - Step 6: Final answer
x = 183,249.33
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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.