Finding the Fourth Proportional to 157,201.92, 234,801.92 and 135,079.68
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Solution
The fourth proportional to 157,201.92, 234,801.92 and 135,079.68 is: 201,759.42
Step by Step Solution
- Step 1: Write the proportion equation
157,201.92 : 234,801.92 = 135,079.68 : x - Step 2: Convert to fraction form
157,201.92/234,801.92 = 135,079.68/x - Step 3: Cross multiply
157,201.92x = 234,801.92 × 135,079.68 - Step 4: Simplify right side
157,201.92x = 31,716,968,216.99 - Step 5: Solve for x
x = 31,716,968,216.99/157,201.92 - Step 6: Final answer
x = 201,759.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.