Finding the Fourth Proportional to 201,113.12, 277,519.92 and 116,235.68
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Solution
The fourth proportional to 201,113.12, 277,519.92 and 116,235.68 is: 160,395.88
Step by Step Solution
- Step 1: Write the proportion equation
201,113.12 : 277,519.92 = 116,235.68 : x - Step 2: Convert to fraction form
201,113.12/277,519.92 = 116,235.68/x - Step 3: Cross multiply
201,113.12x = 277,519.92 × 116,235.68 - Step 4: Simplify right side
201,113.12x = 32,257,716,614.75 - Step 5: Solve for x
x = 32,257,716,614.75/201,113.12 - Step 6: Final answer
x = 160,395.88
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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.