Finding the Fourth Proportional to 321,122.12, 481,750.77 and 121,438.04
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Solution
The fourth proportional to 321,122.12, 481,750.77 and 121,438.04 is: 182,182.62
Step by Step Solution
- Step 1: Write the proportion equation
321,122.12 : 481,750.77 = 121,438.04 : x - Step 2: Convert to fraction form
321,122.12/481,750.77 = 121,438.04/x - Step 3: Cross multiply
321,122.12x = 481,750.77 × 121,438.04 - Step 4: Simplify right side
321,122.12x = 58,502,869,277.29 - Step 5: Solve for x
x = 58,502,869,277.29/321,122.12 - Step 6: Final answer
x = 182,182.62
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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.