Finding the Fourth Proportional to 122,620.07, 183,854.83 and 47,652.68
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Solution
The fourth proportional to 122,620.07, 183,854.83 and 47,652.68 is: 71,449.77
Step by Step Solution
- Step 1: Write the proportion equation
122,620.07 : 183,854.83 = 47,652.68 : x - Step 2: Convert to fraction form
122,620.07/183,854.83 = 47,652.68/x - Step 3: Cross multiply
122,620.07x = 183,854.83 × 47,652.68 - Step 4: Simplify right side
122,620.07x = 8,761,175,380.44 - Step 5: Solve for x
x = 8,761,175,380.44/122,620.07 - Step 6: Final answer
x = 71,449.77
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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.