Finding the Fourth Proportional to 225,397.14, 311,034.33 and 123,423.84
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Solution
The fourth proportional to 225,397.14, 311,034.33 and 123,423.84 is: 170,317.38
Step by Step Solution
- Step 1: Write the proportion equation
225,397.14 : 311,034.33 = 123,423.84 : x - Step 2: Convert to fraction form
225,397.14/311,034.33 = 123,423.84/x - Step 3: Cross multiply
225,397.14x = 311,034.33 × 123,423.84 - Step 4: Simplify right side
225,397.14x = 38,389,051,380.43 - Step 5: Solve for x
x = 38,389,051,380.43/225,397.14 - Step 6: Final answer
x = 170,317.38
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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.