Finding the Fourth Proportional to 321,954.12, 482,930.76 and 122,274.12
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Solution
The fourth proportional to 321,954.12, 482,930.76 and 122,274.12 is: 183,411.02
Step by Step Solution
- Step 1: Write the proportion equation
321,954.12 : 482,930.76 = 122,274.12 : x - Step 2: Convert to fraction form
321,954.12/482,930.76 = 122,274.12/x - Step 3: Cross multiply
321,954.12x = 482,930.76 × 122,274.12 - Step 4: Simplify right side
321,954.12x = 59,049,933,699.93 - Step 5: Solve for x
x = 59,049,933,699.93/321,954.12 - Step 6: Final answer
x = 183,411.02
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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.