Finding the Fourth Proportional to 288,622.24, 398,316.37 and 161,308.00
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Solution
The fourth proportional to 288,622.24, 398,316.37 and 161,308.00 is: 222,614.92
Step by Step Solution
- Step 1: Write the proportion equation
288,622.24 : 398,316.37 = 161,308.00 : x - Step 2: Convert to fraction form
288,622.24/398,316.37 = 161,308.00/x - Step 3: Cross multiply
288,622.24x = 398,316.37 × 161,308.00 - Step 4: Simplify right side
288,622.24x = 64,251,615,020.38 - Step 5: Solve for x
x = 64,251,615,020.38/288,622.24 - Step 6: Final answer
x = 222,614.92
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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.