Finding the Fourth Proportional to 216,057.76, 323,620.08 and 210,770.08
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Solution
The fourth proportional to 216,057.76, 323,620.08 and 210,770.08 is: 315,699.98
Step by Step Solution
- Step 1: Write the proportion equation
216,057.76 : 323,620.08 = 210,770.08 : x - Step 2: Convert to fraction form
216,057.76/323,620.08 = 210,770.08/x - Step 3: Cross multiply
216,057.76x = 323,620.08 × 210,770.08 - Step 4: Simplify right side
216,057.76x = 68,209,430,151.21 - Step 5: Solve for x
x = 68,209,430,151.21/216,057.76 - Step 6: Final answer
x = 315,699.98
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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.