Finding the Fourth Proportional to 232,620.26, 321,137.87 and 156,539.39
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Solution
The fourth proportional to 232,620.26, 321,137.87 and 156,539.39 is: 216,106.39
Step by Step Solution
- Step 1: Write the proportion equation
232,620.26 : 321,137.87 = 156,539.39 : x - Step 2: Convert to fraction form
232,620.26/321,137.87 = 156,539.39/x - Step 3: Cross multiply
232,620.26x = 321,137.87 × 156,539.39 - Step 4: Simplify right side
232,620.26x = 50,270,723,887.31 - Step 5: Solve for x
x = 50,270,723,887.31/232,620.26 - Step 6: Final answer
x = 216,106.39
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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.