Finding the Fourth Proportional to 325,219.87, 487,324.08 and 225,574.75
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Solution
The fourth proportional to 325,219.87, 487,324.08 and 225,574.75 is: 338,011.35
Step by Step Solution
- Step 1: Write the proportion equation
325,219.87 : 487,324.08 = 225,574.75 : x - Step 2: Convert to fraction form
325,219.87/487,324.08 = 225,574.75/x - Step 3: Cross multiply
325,219.87x = 487,324.08 × 225,574.75 - Step 4: Simplify right side
325,219.87x = 109,928,007,514.98 - Step 5: Solve for x
x = 109,928,007,514.98/325,219.87 - Step 6: Final answer
x = 338,011.35
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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.