Finding the Fourth Proportional to 422,287.98, 582,750.21 and 228,694.12
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Solution
The fourth proportional to 422,287.98, 582,750.21 and 228,694.12 is: 315,593.98
Step by Step Solution
- Step 1: Write the proportion equation
422,287.98 : 582,750.21 = 228,694.12 : x - Step 2: Convert to fraction form
422,287.98/582,750.21 = 228,694.12/x - Step 3: Cross multiply
422,287.98x = 582,750.21 × 228,694.12 - Step 4: Simplify right side
422,287.98x = 133,271,542,398.54 - Step 5: Solve for x
x = 133,271,542,398.54/422,287.98 - Step 6: Final answer
x = 315,593.98
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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.