Finding the Fourth Proportional to 136,440.35, 204,682.39 and 57,566.19
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Solution
The fourth proportional to 136,440.35, 204,682.39 and 57,566.19 is: 86,358.52
Step by Step Solution
- Step 1: Write the proportion equation
136,440.35 : 204,682.39 = 57,566.19 : x - Step 2: Convert to fraction form
136,440.35/204,682.39 = 57,566.19/x - Step 3: Cross multiply
136,440.35x = 204,682.39 × 57,566.19 - Step 4: Simplify right side
136,440.35x = 11,782,786,299.85 - Step 5: Solve for x
x = 11,782,786,299.85/136,440.35 - Step 6: Final answer
x = 86,358.52
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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.