Finding the Fourth Proportional to 147,857.13, 204,042.83 and 80,789.13
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Solution
The fourth proportional to 147,857.13, 204,042.83 and 80,789.13 is: 111,488.99
Step by Step Solution
- Step 1: Write the proportion equation
147,857.13 : 204,042.83 = 80,789.13 : x - Step 2: Convert to fraction form
147,857.13/204,042.83 = 80,789.13/x - Step 3: Cross multiply
147,857.13x = 204,042.83 × 80,789.13 - Step 4: Simplify right side
147,857.13x = 16,484,442,718.44 - Step 5: Solve for x
x = 16,484,442,718.44/147,857.13 - Step 6: Final answer
x = 111,488.99
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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.