Finding the Fourth Proportional to 213,722.68, 320,627.74 and 73,463.08
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Solution
The fourth proportional to 213,722.68, 320,627.74 and 73,463.08 is: 110,209.65
Step by Step Solution
- Step 1: Write the proportion equation
213,722.68 : 320,627.74 = 73,463.08 : x - Step 2: Convert to fraction form
213,722.68/320,627.74 = 73,463.08/x - Step 3: Cross multiply
213,722.68x = 320,627.74 × 73,463.08 - Step 4: Simplify right side
213,722.68x = 23,554,301,313.84 - Step 5: Solve for x
x = 23,554,301,313.84/213,722.68 - Step 6: Final answer
x = 110,209.65
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1.5x scale
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.