Finding the Fourth Proportional to 252,138.31, 348,291.62 and 201,505.92
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Solution
The fourth proportional to 252,138.31, 348,291.62 and 201,505.92 is: 278,350.49
Step by Step Solution
- Step 1: Write the proportion equation
252,138.31 : 348,291.62 = 201,505.92 : x - Step 2: Convert to fraction form
252,138.31/348,291.62 = 201,505.92/x - Step 3: Cross multiply
252,138.31x = 348,291.62 × 201,505.92 - Step 4: Simplify right side
252,138.31x = 70,182,823,316.39 - Step 5: Solve for x
x = 70,182,823,316.39/252,138.31 - Step 6: Final answer
x = 278,350.49
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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.