Home / 340,781.25-470,258.92-187,818.96

Finding the Fourth Proportional to 340,781.25, 470,258.92 and 187,818.96

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Solution

The fourth proportional to 340,781.25, 470,258.92 and 187,818.96 is: 259,179.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,781.25 : 470,258.92 = 187,818.96 : x
  2. Step 2: Convert to fraction form
    340,781.25/470,258.92 = 187,818.96/x
  3. Step 3: Cross multiply
    340,781.25x = 470,258.92 × 187,818.96
  4. Step 4: Simplify right side
    340,781.25x = 88,323,541,285.12
  5. Step 5: Solve for x
    x = 88,323,541,285.12/340,781.25
  6. Step 6: Final answer
    x = 259,179.58

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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.