Finding the Fourth Proportional to 154,790.80, 232,218.60 and 49,620.40
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Solution
The fourth proportional to 154,790.80, 232,218.60 and 49,620.40 is: 74,440.99
Step by Step Solution
- Step 1: Write the proportion equation
154,790.80 : 232,218.60 = 49,620.40 : x - Step 2: Convert to fraction form
154,790.80/232,218.60 = 49,620.40/x - Step 3: Cross multiply
154,790.80x = 232,218.60 × 49,620.40 - Step 4: Simplify right side
154,790.80x = 11,522,779,819.44 - Step 5: Solve for x
x = 11,522,779,819.44/154,790.80 - Step 6: Final answer
x = 74,440.99
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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.