Finding the Fourth Proportional to 352,620.05, 486,615.66 and 201,717.05
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Solution
The fourth proportional to 352,620.05, 486,615.66 and 201,717.05 is: 278,369.52
Step by Step Solution
- Step 1: Write the proportion equation
352,620.05 : 486,615.66 = 201,717.05 : x - Step 2: Convert to fraction form
352,620.05/486,615.66 = 201,717.05/x - Step 3: Cross multiply
352,620.05x = 486,615.66 × 201,717.05 - Step 4: Simplify right side
352,620.05x = 98,158,672,985.92 - Step 5: Solve for x
x = 98,158,672,985.92/352,620.05 - Step 6: Final answer
x = 278,369.52
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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.