Finding the Fourth Proportional to 325,306.77, 487,979.30 and 125,628.20
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Solution
The fourth proportional to 325,306.77, 487,979.30 and 125,628.20 is: 188,449.69
Step by Step Solution
- Step 1: Write the proportion equation
325,306.77 : 487,979.30 = 125,628.20 : x - Step 2: Convert to fraction form
325,306.77/487,979.30 = 125,628.20/x - Step 3: Cross multiply
325,306.77x = 487,979.30 × 125,628.20 - Step 4: Simplify right side
325,306.77x = 61,303,961,096.26 - Step 5: Solve for x
x = 61,303,961,096.26/325,306.77 - Step 6: Final answer
x = 188,449.69
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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.