Finding the Fourth Proportional to 321,670.58, 482,432.43 and 122,013.14
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Solution
The fourth proportional to 321,670.58, 482,432.43 and 122,013.14 is: 182,991.85
Step by Step Solution
- Step 1: Write the proportion equation
321,670.58 : 482,432.43 = 122,013.14 : x - Step 2: Convert to fraction form
321,670.58/482,432.43 = 122,013.14/x - Step 3: Cross multiply
321,670.58x = 482,432.43 × 122,013.14 - Step 4: Simplify right side
321,670.58x = 58,863,095,622.13 - Step 5: Solve for x
x = 58,863,095,622.13/321,670.58 - Step 6: Final answer
x = 182,991.85
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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.