Finding the Fourth Proportional to 208,979.62, 311,267.36 and 204,605.62
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Solution
The fourth proportional to 208,979.62, 311,267.36 and 204,605.62 is: 304,752.45
Step by Step Solution
- Step 1: Write the proportion equation
208,979.62 : 311,267.36 = 204,605.62 : x - Step 2: Convert to fraction form
208,979.62/311,267.36 = 204,605.62/x - Step 3: Cross multiply
208,979.62x = 311,267.36 × 204,605.62 - Step 4: Simplify right side
208,979.62x = 63,687,051,178.56 - Step 5: Solve for x
x = 63,687,051,178.56/208,979.62 - Step 6: Final answer
x = 304,752.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.