Finding the Fourth Proportional to 213,473.76, 294,568.26 and 117,967.46
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Solution
The fourth proportional to 213,473.76, 294,568.26 and 117,967.46 is: 162,780.99
Step by Step Solution
- Step 1: Write the proportion equation
213,473.76 : 294,568.26 = 117,967.46 : x - Step 2: Convert to fraction form
213,473.76/294,568.26 = 117,967.46/x - Step 3: Cross multiply
213,473.76x = 294,568.26 × 117,967.46 - Step 4: Simplify right side
213,473.76x = 34,749,469,428.82 - Step 5: Solve for x
x = 34,749,469,428.82/213,473.76 - Step 6: Final answer
x = 162,780.99
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1.5x scale
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.