Finding the Fourth Proportional to 273,207.39, 409,712.67 and 115,448.19
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Solution
The fourth proportional to 273,207.39, 409,712.67 and 115,448.19 is: 173,130.70
Step by Step Solution
- Step 1: Write the proportion equation
273,207.39 : 409,712.67 = 115,448.19 : x - Step 2: Convert to fraction form
273,207.39/409,712.67 = 115,448.19/x - Step 3: Cross multiply
273,207.39x = 409,712.67 × 115,448.19 - Step 4: Simplify right side
273,207.39x = 47,300,586,171.57 - Step 5: Solve for x
x = 47,300,586,171.57/273,207.39 - Step 6: Final answer
x = 173,130.70
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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.