Finding the Fourth Proportional to 352,879.44, 486,995.40 and 201,973.20
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Solution
The fourth proportional to 352,879.44, 486,995.40 and 201,973.20 is: 278,735.48
Step by Step Solution
- Step 1: Write the proportion equation
352,879.44 : 486,995.40 = 201,973.20 : x - Step 2: Convert to fraction form
352,879.44/486,995.40 = 201,973.20/x - Step 3: Cross multiply
352,879.44x = 486,995.40 × 201,973.20 - Step 4: Simplify right side
352,879.44x = 98,360,019,323.28 - Step 5: Solve for x
x = 98,360,019,323.28/352,879.44 - Step 6: Final answer
x = 278,735.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.