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Finding the Fourth Proportional to 226,977, 313,230.42 and 126,377.16

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Solution

The fourth proportional to 226,977, 313,230.42 and 126,377.16 is: 174,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,977 : 313,230.42 = 126,377.16 : x
  2. Step 2: Convert to fraction form
    226,977/313,230.42 = 126,377.16/x
  3. Step 3: Cross multiply
    226,977x = 313,230.42 × 126,377.16
  4. Step 4: Simplify right side
    226,977x = 39,585,170,905.21
  5. Step 5: Solve for x
    x = 39,585,170,905.21/226,977
  6. Step 6: Final answer
    x = 174,401.68

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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.