Finding the Fourth Proportional to 205,162.36, 283,171.30 and 120,306.76
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Solution
The fourth proportional to 205,162.36, 283,171.30 and 120,306.76 is: 166,051.03
Step by Step Solution
- Step 1: Write the proportion equation
205,162.36 : 283,171.30 = 120,306.76 : x - Step 2: Convert to fraction form
205,162.36/283,171.30 = 120,306.76/x - Step 3: Cross multiply
205,162.36x = 283,171.30 × 120,306.76 - Step 4: Simplify right side
205,162.36x = 34,067,422,550.49 - Step 5: Solve for x
x = 34,067,422,550.49/205,162.36 - Step 6: Final answer
x = 166,051.03
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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.