Home / 340,923.68-470,495.76-187,961.12

Finding the Fourth Proportional to 340,923.68, 470,495.76 and 187,961.12

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Solution

The fourth proportional to 340,923.68, 470,495.76 and 187,961.12 is: 259,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,923.68 : 470,495.76 = 187,961.12 : x
  2. Step 2: Convert to fraction form
    340,923.68/470,495.76 = 187,961.12/x
  3. Step 3: Cross multiply
    340,923.68x = 470,495.76 × 187,961.12
  4. Step 4: Simplify right side
    340,923.68x = 88,434,910,004.85
  5. Step 5: Solve for x
    x = 88,434,910,004.85/340,923.68
  6. Step 6: Final answer
    x = 259,397.97

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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.