Finding the Fourth Proportional to 209,600.64, 289,199.70 and 118,936.08
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Solution
The fourth proportional to 209,600.64, 289,199.70 and 118,936.08 is: 164,103.88
Step by Step Solution
- Step 1: Write the proportion equation
209,600.64 : 289,199.70 = 118,936.08 : x - Step 2: Convert to fraction form
209,600.64/289,199.70 = 118,936.08/x - Step 3: Cross multiply
209,600.64x = 289,199.70 × 118,936.08 - Step 4: Simplify right side
209,600.64x = 34,396,278,655.18 - Step 5: Solve for x
x = 34,396,278,655.18/209,600.64 - Step 6: Final answer
x = 164,103.88
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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.