Finding the Fourth Proportional to 288,098.12, 397,464.42 and 180,480.68
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Solution
The fourth proportional to 288,098.12, 397,464.42 and 180,480.68 is: 248,993.81
Step by Step Solution
- Step 1: Write the proportion equation
288,098.12 : 397,464.42 = 180,480.68 : x - Step 2: Convert to fraction form
288,098.12/397,464.42 = 180,480.68/x - Step 3: Cross multiply
288,098.12x = 397,464.42 × 180,480.68 - Step 4: Simplify right side
288,098.12x = 71,734,648,797.41 - Step 5: Solve for x
x = 71,734,648,797.41/288,098.12 - Step 6: Final answer
x = 248,993.81
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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.