Finding the Fourth Proportional to 209,758.26, 289,464.99 and 114,265.02
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Solution
The fourth proportional to 209,758.26, 289,464.99 and 114,265.02 is: 157,684.96
Step by Step Solution
- Step 1: Write the proportion equation
209,758.26 : 289,464.99 = 114,265.02 : x - Step 2: Convert to fraction form
209,758.26/289,464.99 = 114,265.02/x - Step 3: Cross multiply
209,758.26x = 289,464.99 × 114,265.02 - Step 4: Simplify right side
209,758.26x = 33,075,722,871.65 - Step 5: Solve for x
x = 33,075,722,871.65/209,758.26 - Step 6: Final answer
x = 157,684.96
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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.