Finding the Fourth Proportional to 297,769.23, 410,920.74 and 161,803.17
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Solution
The fourth proportional to 297,769.23, 410,920.74 and 161,803.17 is: 223,287.94
Step by Step Solution
- Step 1: Write the proportion equation
297,769.23 : 410,920.74 = 161,803.17 : x - Step 2: Convert to fraction form
297,769.23/410,920.74 = 161,803.17/x - Step 3: Cross multiply
297,769.23x = 410,920.74 × 161,803.17 - Step 4: Simplify right side
297,769.23x = 66,488,278,350.75 - Step 5: Solve for x
x = 66,488,278,350.75/297,769.23 - Step 6: Final answer
x = 223,287.94
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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.