Finding the Fourth Proportional to 321,956.12, 482,933.76 and 122,276.12
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Solution
The fourth proportional to 321,956.12, 482,933.76 and 122,276.12 is: 183,414.02
Step by Step Solution
- Step 1: Write the proportion equation
321,956.12 : 482,933.76 = 122,276.12 : x - Step 2: Convert to fraction form
321,956.12/482,933.76 = 122,276.12/x - Step 3: Cross multiply
321,956.12x = 482,933.76 × 122,276.12 - Step 4: Simplify right side
321,956.12x = 59,051,266,389.81 - Step 5: Solve for x
x = 59,051,266,389.81/321,956.12 - Step 6: Final answer
x = 183,414.02
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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.