Finding the Fourth Proportional to 352,508.74, 486,410.72 and 201,576.58
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Solution
The fourth proportional to 352,508.74, 486,410.72 and 201,576.58 is: 278,146.32
Step by Step Solution
- Step 1: Write the proportion equation
352,508.74 : 486,410.72 = 201,576.58 : x - Step 2: Convert to fraction form
352,508.74/486,410.72 = 201,576.58/x - Step 3: Cross multiply
352,508.74x = 486,410.72 × 201,576.58 - Step 4: Simplify right side
352,508.74x = 98,049,007,189.03 - Step 5: Solve for x
x = 98,049,007,189.03/352,508.74 - Step 6: Final answer
x = 278,146.32
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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.