Finding the Fourth Proportional to 201,949.20, 302,923.80 and 170,845.20
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Solution
The fourth proportional to 201,949.20, 302,923.80 and 170,845.20 is: 256,267.80
Step by Step Solution
- Step 1: Write the proportion equation
201,949.20 : 302,923.80 = 170,845.20 : x - Step 2: Convert to fraction form
201,949.20/302,923.80 = 170,845.20/x - Step 3: Cross multiply
201,949.20x = 302,923.80 × 170,845.20 - Step 4: Simplify right side
201,949.20x = 51,753,077,195.76 - Step 5: Solve for x
x = 51,753,077,195.76/201,949.20 - Step 6: Final answer
x = 256,267.80
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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.