Finding the Fourth Proportional to 297,684.68, 410,803.21 and 161,717.54
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Solution
The fourth proportional to 297,684.68, 410,803.21 and 161,717.54 is: 223,169.31
Step by Step Solution
- Step 1: Write the proportion equation
297,684.68 : 410,803.21 = 161,717.54 : x - Step 2: Convert to fraction form
297,684.68/410,803.21 = 161,717.54/x - Step 3: Cross multiply
297,684.68x = 410,803.21 × 161,717.54 - Step 4: Simplify right side
297,684.68x = 66,434,082,693.43 - Step 5: Solve for x
x = 66,434,082,693.43/297,684.68 - Step 6: Final answer
x = 223,169.31
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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.