Finding the Fourth Proportional to 422,230.88, 582,534.06 and 240,812.42
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Solution
The fourth proportional to 422,230.88, 582,534.06 and 240,812.42 is: 332,238.70
Step by Step Solution
- Step 1: Write the proportion equation
422,230.88 : 582,534.06 = 240,812.42 : x - Step 2: Convert to fraction form
422,230.88/582,534.06 = 240,812.42/x - Step 3: Cross multiply
422,230.88x = 582,534.06 × 240,812.42 - Step 4: Simplify right side
422,230.88x = 140,281,436,721.03 - Step 5: Solve for x
x = 140,281,436,721.03/422,230.88 - Step 6: Final answer
x = 332,238.70
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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.