Finding the Fourth Proportional to 226,037.68, 311,934.34 and 124,069.90
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Solution
The fourth proportional to 226,037.68, 311,934.34 and 124,069.90 is: 171,217.75
Step by Step Solution
- Step 1: Write the proportion equation
226,037.68 : 311,934.34 = 124,069.90 : x - Step 2: Convert to fraction form
226,037.68/311,934.34 = 124,069.90/x - Step 3: Cross multiply
226,037.68x = 311,934.34 × 124,069.90 - Step 4: Simplify right side
226,037.68x = 38,701,662,370.37 - Step 5: Solve for x
x = 38,701,662,370.37/226,037.68 - Step 6: Final answer
x = 171,217.75
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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.