Finding the Fourth Proportional to 352,593.28, 486,578.73 and 201,690.28
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Solution
The fourth proportional to 352,593.28, 486,578.73 and 201,690.28 is: 278,332.59
Step by Step Solution
- Step 1: Write the proportion equation
352,593.28 : 486,578.73 = 201,690.28 : x - Step 2: Convert to fraction form
352,593.28/486,578.73 = 201,690.28/x - Step 3: Cross multiply
352,593.28x = 486,578.73 × 201,690.28 - Step 4: Simplify right side
352,593.28x = 98,138,200,525.80 - Step 5: Solve for x
x = 98,138,200,525.80/352,593.28 - Step 6: Final answer
x = 278,332.59
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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.