Finding the Fourth Proportional to 205,691.68, 283,850.76 and 116,267.68
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Solution
The fourth proportional to 205,691.68, 283,850.76 and 116,267.68 is: 160,447.27
Step by Step Solution
- Step 1: Write the proportion equation
205,691.68 : 283,850.76 = 116,267.68 : x - Step 2: Convert to fraction form
205,691.68/283,850.76 = 116,267.68/x - Step 3: Cross multiply
205,691.68x = 283,850.76 × 116,267.68 - Step 4: Simplify right side
205,691.68x = 33,002,669,331.44 - Step 5: Solve for x
x = 33,002,669,331.44/205,691.68 - Step 6: Final answer
x = 160,447.27
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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.