Finding the Fourth Proportional to 273,446.10, 409,513.05 and 133,040.70
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Solution
The fourth proportional to 273,446.10, 409,513.05 and 133,040.70 is: 199,241.84
Step by Step Solution
- Step 1: Write the proportion equation
273,446.10 : 409,513.05 = 133,040.70 : x - Step 2: Convert to fraction form
273,446.10/409,513.05 = 133,040.70/x - Step 3: Cross multiply
273,446.10x = 409,513.05 × 133,040.70 - Step 4: Simplify right side
273,446.10x = 54,481,902,831.14 - Step 5: Solve for x
x = 54,481,902,831.14/273,446.10 - Step 6: Final answer
x = 199,241.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.