Finding the Fourth Proportional to 227,404.76, 313,819.80 and 125,433.80
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Solution
The fourth proportional to 227,404.76, 313,819.80 and 125,433.80 is: 173,099.32
Step by Step Solution
- Step 1: Write the proportion equation
227,404.76 : 313,819.80 = 125,433.80 : x - Step 2: Convert to fraction form
227,404.76/313,819.80 = 125,433.80/x - Step 3: Cross multiply
227,404.76x = 313,819.80 × 125,433.80 - Step 4: Simplify right side
227,404.76x = 39,363,610,029.24 - Step 5: Solve for x
x = 39,363,610,029.24/227,404.76 - Step 6: Final answer
x = 173,099.32
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1.5x scale
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.