Finding the Fourth Proportional to 227,176.68, 313,505.88 and 125,205.78
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Solution
The fourth proportional to 227,176.68, 313,505.88 and 125,205.78 is: 172,785.11
Step by Step Solution
- Step 1: Write the proportion equation
227,176.68 : 313,505.88 = 125,205.78 : x - Step 2: Convert to fraction form
227,176.68/313,505.88 = 125,205.78/x - Step 3: Cross multiply
227,176.68x = 313,505.88 × 125,205.78 - Step 4: Simplify right side
227,176.68x = 39,252,748,239.99 - Step 5: Solve for x
x = 39,252,748,239.99/227,176.68 - Step 6: Final answer
x = 172,785.11
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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.