Home / 340,723.44-470,219.64-187,761.48

Finding the Fourth Proportional to 340,723.44, 470,219.64 and 187,761.48

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Solution

The fourth proportional to 340,723.44, 470,219.64 and 187,761.48 is: 259,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,723.44 : 470,219.64 = 187,761.48 : x
  2. Step 2: Convert to fraction form
    340,723.44/470,219.64 = 187,761.48/x
  3. Step 3: Cross multiply
    340,723.44x = 470,219.64 × 187,761.48
  4. Step 4: Simplify right side
    340,723.44x = 88,289,135,531.47
  5. Step 5: Solve for x
    x = 88,289,135,531.47/340,723.44
  6. Step 6: Final answer
    x = 259,122.58

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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.