Finding the Fourth Proportional to 209,592.26, 289,429.47 and 133,135.99
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Solution
The fourth proportional to 209,592.26, 289,429.47 and 133,135.99 is: 183,849.72
Step by Step Solution
- Step 1: Write the proportion equation
209,592.26 : 289,429.47 = 133,135.99 : x - Step 2: Convert to fraction form
209,592.26/289,429.47 = 133,135.99/x - Step 3: Cross multiply
209,592.26x = 289,429.47 × 133,135.99 - Step 4: Simplify right side
209,592.26x = 38,533,479,023.63 - Step 5: Solve for x
x = 38,533,479,023.63/209,592.26 - Step 6: Final answer
x = 183,849.72
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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.