Finding the Fourth Proportional to 276,119.97, 413,638.67 and 143,087.49
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Solution
The fourth proportional to 276,119.97, 413,638.67 and 143,087.49 is: 214,350.74
Step by Step Solution
- Step 1: Write the proportion equation
276,119.97 : 413,638.67 = 143,087.49 : x - Step 2: Convert to fraction form
276,119.97/413,638.67 = 143,087.49/x - Step 3: Cross multiply
276,119.97x = 413,638.67 × 143,087.49 - Step 4: Simplify right side
276,119.97x = 59,186,519,057.24 - Step 5: Solve for x
x = 59,186,519,057.24/276,119.97 - Step 6: Final answer
x = 214,350.74
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1.5x scale
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.