Finding the Fourth Proportional to 190,961.38, 286,440.24 and 116,102.19
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Solution
The fourth proportional to 190,961.38, 286,440.24 and 116,102.19 is: 174,152.17
Step by Step Solution
- Step 1: Write the proportion equation
190,961.38 : 286,440.24 = 116,102.19 : x - Step 2: Convert to fraction form
190,961.38/286,440.24 = 116,102.19/x - Step 3: Cross multiply
190,961.38x = 286,440.24 × 116,102.19 - Step 4: Simplify right side
190,961.38x = 33,256,339,168.13 - Step 5: Solve for x
x = 33,256,339,168.13/190,961.38 - Step 6: Final answer
x = 174,152.17
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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.