Finding the Fourth Proportional to 175,519.20, 263,278.80 and 168,138.08
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Solution
The fourth proportional to 175,519.20, 263,278.80 and 168,138.08 is: 252,207.12
Step by Step Solution
- Step 1: Write the proportion equation
175,519.20 : 263,278.80 = 168,138.08 : x - Step 2: Convert to fraction form
175,519.20/263,278.80 = 168,138.08/x - Step 3: Cross multiply
175,519.20x = 263,278.80 × 168,138.08 - Step 4: Simplify right side
175,519.20x = 44,267,191,936.70 - Step 5: Solve for x
x = 44,267,191,936.70/175,519.20 - Step 6: Final answer
x = 252,207.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.