Finding the Fourth Proportional to 421,919.88, 582,259.69 and 240,648.68
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Solution
The fourth proportional to 421,919.88, 582,259.69 and 240,648.68 is: 332,101.03
Step by Step Solution
- Step 1: Write the proportion equation
421,919.88 : 582,259.69 = 240,648.68 : x - Step 2: Convert to fraction form
421,919.88/582,259.69 = 240,648.68/x - Step 3: Cross multiply
421,919.88x = 582,259.69 × 240,648.68 - Step 4: Simplify right side
421,919.88x = 140,120,025,815.71 - Step 5: Solve for x
x = 140,120,025,815.71/421,919.88 - Step 6: Final answer
x = 332,101.03
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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.