Finding the Fourth Proportional to 288,258.36, 397,797.39 and 160,938.78
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Solution
The fourth proportional to 288,258.36, 397,797.39 and 160,938.78 is: 222,095.99
Step by Step Solution
- Step 1: Write the proportion equation
288,258.36 : 397,797.39 = 160,938.78 : x - Step 2: Convert to fraction form
288,258.36/397,797.39 = 160,938.78/x - Step 3: Cross multiply
288,258.36x = 397,797.39 × 160,938.78 - Step 4: Simplify right side
288,258.36x = 64,021,026,633.78 - Step 5: Solve for x
x = 64,021,026,633.78/288,258.36 - Step 6: Final answer
x = 222,095.99
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1.5x scale
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.