Finding the Fourth Proportional to 154,886.97, 232,354.77 and 66,140.94
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Solution
The fourth proportional to 154,886.97, 232,354.77 and 66,140.94 is: 99,221.79
Step by Step Solution
- Step 1: Write the proportion equation
154,886.97 : 232,354.77 = 66,140.94 : x - Step 2: Convert to fraction form
154,886.97/232,354.77 = 66,140.94/x - Step 3: Cross multiply
154,886.97x = 232,354.77 × 66,140.94 - Step 4: Simplify right side
154,886.97x = 15,368,162,570.58 - Step 5: Solve for x
x = 15,368,162,570.58/154,886.97 - Step 6: Final answer
x = 99,221.79
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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.