Finding the Fourth Proportional to 209,602.14, 289,201.77 and 118,937.58
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Solution
The fourth proportional to 209,602.14, 289,201.77 and 118,937.58 is: 164,105.95
Step by Step Solution
- Step 1: Write the proportion equation
209,602.14 : 289,201.77 = 118,937.58 : x - Step 2: Convert to fraction form
209,602.14/289,201.77 = 118,937.58/x - Step 3: Cross multiply
209,602.14x = 289,201.77 × 118,937.58 - Step 4: Simplify right side
209,602.14x = 34,396,958,655.52 - Step 5: Solve for x
x = 34,396,958,655.52/209,602.14 - Step 6: Final answer
x = 164,105.95
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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.