Home / 340,781.72-470,281.92-187,825.46

Finding the Fourth Proportional to 340,781.72, 470,281.92 and 187,825.46

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Solution

The fourth proportional to 340,781.72, 470,281.92 and 187,825.46 is: 259,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,781.72 : 470,281.92 = 187,825.46 : x
  2. Step 2: Convert to fraction form
    340,781.72/470,281.92 = 187,825.46/x
  3. Step 3: Cross multiply
    340,781.72x = 470,281.92 × 187,825.46
  4. Step 4: Simplify right side
    340,781.72x = 88,330,917,953.68
  5. Step 5: Solve for x
    x = 88,330,917,953.68/340,781.72
  6. Step 6: Final answer
    x = 259,200.87

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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.