Home / 340,747.25-470,234.41-187,790.95

Finding the Fourth Proportional to 340,747.25, 470,234.41 and 187,790.95

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Solution

The fourth proportional to 340,747.25, 470,234.41 and 187,790.95 is: 259,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,747.25 : 470,234.41 = 187,790.95 : x
  2. Step 2: Convert to fraction form
    340,747.25/470,234.41 = 187,790.95/x
  3. Step 3: Cross multiply
    340,747.25x = 470,234.41 × 187,790.95
  4. Step 4: Simplify right side
    340,747.25x = 88,305,764,225.42
  5. Step 5: Solve for x
    x = 88,305,764,225.42/340,747.25
  6. Step 6: Final answer
    x = 259,153.27

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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.