Finding the Fourth Proportional to 134,009.36, 201,007.44 and 49,785.92
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Solution
The fourth proportional to 134,009.36, 201,007.44 and 49,785.92 is: 74,676.43
Step by Step Solution
- Step 1: Write the proportion equation
134,009.36 : 201,007.44 = 49,785.92 : x - Step 2: Convert to fraction form
134,009.36/201,007.44 = 49,785.92/x - Step 3: Cross multiply
134,009.36x = 201,007.44 × 49,785.92 - Step 4: Simplify right side
134,009.36x = 10,007,340,327.24 - Step 5: Solve for x
x = 10,007,340,327.24/134,009.36 - Step 6: Final answer
x = 74,676.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.