Finding the Fourth Proportional to 261,987.97, 361,581.68 and 147,276.06
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Solution
The fourth proportional to 261,987.97, 361,581.68 and 147,276.06 is: 203,262.48
Step by Step Solution
- Step 1: Write the proportion equation
261,987.97 : 361,581.68 = 147,276.06 : x - Step 2: Convert to fraction form
261,987.97/361,581.68 = 147,276.06/x - Step 3: Cross multiply
261,987.97x = 361,581.68 × 147,276.06 - Step 4: Simplify right side
261,987.97x = 53,252,325,198.58 - Step 5: Solve for x
x = 53,252,325,198.58/261,987.97 - Step 6: Final answer
x = 203,262.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.