Finding the Fourth Proportional to 205,231.68, 283,215.60 and 115,807.68
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Solution
The fourth proportional to 205,231.68, 283,215.60 and 115,807.68 is: 159,812.27
Step by Step Solution
- Step 1: Write the proportion equation
205,231.68 : 283,215.60 = 115,807.68 : x - Step 2: Convert to fraction form
205,231.68/283,215.60 = 115,807.68/x - Step 3: Cross multiply
205,231.68x = 283,215.60 × 115,807.68 - Step 4: Simplify right side
205,231.68x = 32,798,541,575.81 - Step 5: Solve for x
x = 32,798,541,575.81/205,231.68 - Step 6: Final answer
x = 159,812.27
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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.