Finding the Fourth Proportional to 288,674.24, 398,371.94 and 161,347.12
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Solution
The fourth proportional to 288,674.24, 398,371.94 and 161,347.12 is: 222,659.86
Step by Step Solution
- Step 1: Write the proportion equation
288,674.24 : 398,371.94 = 161,347.12 : x - Step 2: Convert to fraction form
288,674.24/398,371.94 = 161,347.12/x - Step 3: Cross multiply
288,674.24x = 398,371.94 × 161,347.12 - Step 4: Simplify right side
288,674.24x = 64,276,165,207.81 - Step 5: Solve for x
x = 64,276,165,207.81/288,674.24 - Step 6: Final answer
x = 222,659.86
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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.