Finding the Fourth Proportional to 200,161.44, 300,242.68 and 73,746.91
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Solution
The fourth proportional to 200,161.44, 300,242.68 and 73,746.91 is: 110,620.55
Step by Step Solution
- Step 1: Write the proportion equation
200,161.44 : 300,242.68 = 73,746.91 : x - Step 2: Convert to fraction form
200,161.44/300,242.68 = 73,746.91/x - Step 3: Cross multiply
200,161.44x = 300,242.68 × 73,746.91 - Step 4: Simplify right side
200,161.44x = 22,141,968,965.14 - Step 5: Solve for x
x = 22,141,968,965.14/200,161.44 - Step 6: Final answer
x = 110,620.55
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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.