Finding the Fourth Proportional to 213,723.93, 320,618.70 and 73,449.75
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Solution
The fourth proportional to 213,723.93, 320,618.70 and 73,449.75 is: 110,185.90
Step by Step Solution
- Step 1: Write the proportion equation
213,723.93 : 320,618.70 = 73,449.75 : x - Step 2: Convert to fraction form
213,723.93/320,618.70 = 73,449.75/x - Step 3: Cross multiply
213,723.93x = 320,618.70 × 73,449.75 - Step 4: Simplify right side
213,723.93x = 23,549,363,360.33 - Step 5: Solve for x
x = 23,549,363,360.33/213,723.93 - Step 6: Final answer
x = 110,185.90
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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.