Home / 311,738.50-467,492.82-112,005.28

Finding the Fourth Proportional to 311,738.50, 467,492.82 and 112,005.28

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Solution

The fourth proportional to 311,738.50, 467,492.82 and 112,005.28 is: 167,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,738.50 : 467,492.82 = 112,005.28 : x
  2. Step 2: Convert to fraction form
    311,738.50/467,492.82 = 112,005.28/x
  3. Step 3: Cross multiply
    311,738.50x = 467,492.82 × 112,005.28
  4. Step 4: Simplify right side
    311,738.50x = 52,361,664,202.09
  5. Step 5: Solve for x
    x = 52,361,664,202.09/311,738.50
  6. Step 6: Final answer
    x = 167,966.63

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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.