Finding the Fourth Proportional to 236,529.20, 354,793.80 and 213,201.20
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Solution
The fourth proportional to 236,529.20, 354,793.80 and 213,201.20 is: 319,801.80
Step by Step Solution
- Step 1: Write the proportion equation
236,529.20 : 354,793.80 = 213,201.20 : x - Step 2: Convert to fraction form
236,529.20/354,793.80 = 213,201.20/x - Step 3: Cross multiply
236,529.20x = 354,793.80 × 213,201.20 - Step 4: Simplify right side
236,529.20x = 75,642,463,912.56 - Step 5: Solve for x
x = 75,642,463,912.56/236,529.20 - Step 6: Final answer
x = 319,801.80
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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.