Finding the Fourth Proportional to 422,620.73, 634,034.82 and 123,104.09
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Solution
The fourth proportional to 422,620.73, 634,034.82 and 123,104.09 is: 184,686.34
Step by Step Solution
- Step 1: Write the proportion equation
422,620.73 : 634,034.82 = 123,104.09 : x - Step 2: Convert to fraction form
422,620.73/634,034.82 = 123,104.09/x - Step 3: Cross multiply
422,620.73x = 634,034.82 × 123,104.09 - Step 4: Simplify right side
422,620.73x = 78,052,276,374.24 - Step 5: Solve for x
x = 78,052,276,374.24/422,620.73 - Step 6: Final answer
x = 184,686.34
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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.