Home / 340,786.11-470,311.86-187,851.49

Finding the Fourth Proportional to 340,786.11, 470,311.86 and 187,851.49

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Solution

The fourth proportional to 340,786.11, 470,311.86 and 187,851.49 is: 259,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,786.11 : 470,311.86 = 187,851.49 : x
  2. Step 2: Convert to fraction form
    340,786.11/470,311.86 = 187,851.49/x
  3. Step 3: Cross multiply
    340,786.11x = 470,311.86 × 187,851.49
  4. Step 4: Simplify right side
    340,786.11x = 88,348,783,665.67
  5. Step 5: Solve for x
    x = 88,348,783,665.67/340,786.11
  6. Step 6: Final answer
    x = 259,249.95

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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.