Finding the Fourth Proportional to 352,627.70, 486,626.21 and 201,724.70
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Solution
The fourth proportional to 352,627.70, 486,626.21 and 201,724.70 is: 278,380.07
Step by Step Solution
- Step 1: Write the proportion equation
352,627.70 : 486,626.21 = 201,724.70 : x - Step 2: Convert to fraction form
352,627.70/486,626.21 = 201,724.70/x - Step 3: Cross multiply
352,627.70x = 486,626.21 × 201,724.70 - Step 4: Simplify right side
352,627.70x = 98,164,525,215.76 - Step 5: Solve for x
x = 98,164,525,215.76/352,627.70 - Step 6: Final answer
x = 278,380.07
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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.