Finding the Fourth Proportional to 191,636.91, 264,175.38 and 122,719.08
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Solution
The fourth proportional to 191,636.91, 264,175.38 and 122,719.08 is: 169,170.75
Step by Step Solution
- Step 1: Write the proportion equation
191,636.91 : 264,175.38 = 122,719.08 : x - Step 2: Convert to fraction form
191,636.91/264,175.38 = 122,719.08/x - Step 3: Cross multiply
191,636.91x = 264,175.38 × 122,719.08 - Step 4: Simplify right side
191,636.91x = 32,419,359,592.25 - Step 5: Solve for x
x = 32,419,359,592.25/191,636.91 - Step 6: Final answer
x = 169,170.75
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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.