Finding the Fourth Proportional to 209,497.42, 289,105.90 and 114,004.09
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Solution
The fourth proportional to 209,497.42, 289,105.90 and 114,004.09 is: 157,325.35
Step by Step Solution
- Step 1: Write the proportion equation
209,497.42 : 289,105.90 = 114,004.09 : x - Step 2: Convert to fraction form
209,497.42/289,105.90 = 114,004.09/x - Step 3: Cross multiply
209,497.42x = 289,105.90 × 114,004.09 - Step 4: Simplify right side
209,497.42x = 32,959,255,043.13 - Step 5: Solve for x
x = 32,959,255,043.13/209,497.42 - Step 6: Final answer
x = 157,325.35
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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.