Finding the Fourth Proportional to 288,288.08, 397,833.36 and 160,965.44
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Solution
The fourth proportional to 288,288.08, 397,833.36 and 160,965.44 is: 222,129.97
Step by Step Solution
- Step 1: Write the proportion equation
288,288.08 : 397,833.36 = 160,965.44 : x - Step 2: Convert to fraction form
288,288.08/397,833.36 = 160,965.44/x - Step 3: Cross multiply
288,288.08x = 397,833.36 × 160,965.44 - Step 4: Simplify right side
288,288.08x = 64,037,421,839.08 - Step 5: Solve for x
x = 64,037,421,839.08/288,288.08 - Step 6: Final answer
x = 222,129.97
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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.