Finding the Fourth Proportional to 288,593.24, 398,258.03 and 161,268.84
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Solution
The fourth proportional to 288,593.24, 398,258.03 and 161,268.84 is: 222,550.65
Step by Step Solution
- Step 1: Write the proportion equation
288,593.24 : 398,258.03 = 161,268.84 : x - Step 2: Convert to fraction form
288,593.24/398,258.03 = 161,268.84/x - Step 3: Cross multiply
288,593.24x = 398,258.03 × 161,268.84 - Step 4: Simplify right side
288,593.24x = 64,226,610,921.96 - Step 5: Solve for x
x = 64,226,610,921.96/288,593.24 - Step 6: Final answer
x = 222,550.65
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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.