Finding the Fourth Proportional to 205,105.68, 283,060.02 and 114,479.28
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Solution
The fourth proportional to 205,105.68, 283,060.02 and 114,479.28 is: 157,989.32
Step by Step Solution
- Step 1: Write the proportion equation
205,105.68 : 283,060.02 = 114,479.28 : x - Step 2: Convert to fraction form
205,105.68/283,060.02 = 114,479.28/x - Step 3: Cross multiply
205,105.68x = 283,060.02 × 114,479.28 - Step 4: Simplify right side
205,105.68x = 32,404,507,286.39 - Step 5: Solve for x
x = 32,404,507,286.39/205,105.68 - Step 6: Final answer
x = 157,989.32
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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.