Finding the Fourth Proportional to 422,024.22, 582,403.68 and 231,037.02
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Solution
The fourth proportional to 422,024.22, 582,403.68 and 231,037.02 is: 318,836.70
Step by Step Solution
- Step 1: Write the proportion equation
422,024.22 : 582,403.68 = 231,037.02 : x - Step 2: Convert to fraction form
422,024.22/582,403.68 = 231,037.02/x - Step 3: Cross multiply
422,024.22x = 582,403.68 × 231,037.02 - Step 4: Simplify right side
422,024.22x = 134,556,810,664.23 - Step 5: Solve for x
x = 134,556,810,664.23/422,024.22 - Step 6: Final answer
x = 318,836.70
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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.