Finding the Fourth Proportional to 288,219.12, 397,749.12 and 180,793.68
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Solution
The fourth proportional to 288,219.12, 397,749.12 and 180,793.68 is: 249,499.50
Step by Step Solution
- Step 1: Write the proportion equation
288,219.12 : 397,749.12 = 180,793.68 : x - Step 2: Convert to fraction form
288,219.12/397,749.12 = 180,793.68/x - Step 3: Cross multiply
288,219.12x = 397,749.12 × 180,793.68 - Step 4: Simplify right side
288,219.12x = 71,910,527,121.56 - Step 5: Solve for x
x = 71,910,527,121.56/288,219.12 - Step 6: Final answer
x = 249,499.50
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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.