Finding the Fourth Proportional to 352,600.78, 486,589.08 and 201,697.78
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Solution
The fourth proportional to 352,600.78, 486,589.08 and 201,697.78 is: 278,342.94
Step by Step Solution
- Step 1: Write the proportion equation
352,600.78 : 486,589.08 = 201,697.78 : x - Step 2: Convert to fraction form
352,600.78/486,589.08 = 201,697.78/x - Step 3: Cross multiply
352,600.78x = 486,589.08 × 201,697.78 - Step 4: Simplify right side
352,600.78x = 98,143,937,208.24 - Step 5: Solve for x
x = 98,143,937,208.24/352,600.78 - Step 6: Final answer
x = 278,342.94
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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.