Finding the Fourth Proportional to 321,962.11, 482,942.75 and 122,282.12
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Solution
The fourth proportional to 321,962.11, 482,942.75 and 122,282.12 is: 183,423.02
Step by Step Solution
- Step 1: Write the proportion equation
321,962.11 : 482,942.75 = 122,282.12 : x - Step 2: Convert to fraction form
321,962.11/482,942.75 = 122,282.12/x - Step 3: Cross multiply
321,962.11x = 482,942.75 × 122,282.12 - Step 4: Simplify right side
321,962.11x = 59,055,263,308.63 - Step 5: Solve for x
x = 59,055,263,308.63/321,962.11 - Step 6: Final answer
x = 183,423.02
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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.