Home / 340,825.72-470,342.79-187,869.91

Finding the Fourth Proportional to 340,825.72, 470,342.79 and 187,869.91

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Solution

The fourth proportional to 340,825.72, 470,342.79 and 187,869.91 is: 259,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,825.72 : 470,342.79 = 187,869.91 : x
  2. Step 2: Convert to fraction form
    340,825.72/470,342.79 = 187,869.91/x
  3. Step 3: Cross multiply
    340,825.72x = 470,342.79 × 187,869.91
  4. Step 4: Simplify right side
    340,825.72x = 88,363,257,626.45
  5. Step 5: Solve for x
    x = 88,363,257,626.45/340,825.72
  6. Step 6: Final answer
    x = 259,262.29

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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.