Finding the Fourth Proportional to 207,901.68, 311,853.56 and 58,142.53
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Solution
The fourth proportional to 207,901.68, 311,853.56 and 58,142.53 is: 87,214.09
Step by Step Solution
- Step 1: Write the proportion equation
207,901.68 : 311,853.56 = 58,142.53 : x - Step 2: Convert to fraction form
207,901.68/311,853.56 = 58,142.53/x - Step 3: Cross multiply
207,901.68x = 311,853.56 × 58,142.53 - Step 4: Simplify right side
207,901.68x = 18,131,954,967.91 - Step 5: Solve for x
x = 18,131,954,967.91/207,901.68 - Step 6: Final answer
x = 87,214.09
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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.