Finding the Fourth Proportional to 205,712.99, 283,769.64 and 119,662.28
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Solution
The fourth proportional to 205,712.99, 283,769.64 and 119,662.28 is: 165,067.46
Step by Step Solution
- Step 1: Write the proportion equation
205,712.99 : 283,769.64 = 119,662.28 : x - Step 2: Convert to fraction form
205,712.99/283,769.64 = 119,662.28/x - Step 3: Cross multiply
205,712.99x = 283,769.64 × 119,662.28 - Step 4: Simplify right side
205,712.99x = 33,956,520,698.33 - Step 5: Solve for x
x = 33,956,520,698.33/205,712.99 - Step 6: Final answer
x = 165,067.46
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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.