Home / 352,064.73-485,849.45-190,919.74

Finding the Fourth Proportional to 352,064.73, 485,849.45 and 190,919.74

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Solution

The fourth proportional to 352,064.73, 485,849.45 and 190,919.74 is: 263,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,064.73 : 485,849.45 = 190,919.74 : x
  2. Step 2: Convert to fraction form
    352,064.73/485,849.45 = 190,919.74/x
  3. Step 3: Cross multiply
    352,064.73x = 485,849.45 × 190,919.74
  4. Step 4: Simplify right side
    352,064.73x = 92,758,250,673.14
  5. Step 5: Solve for x
    x = 92,758,250,673.14/352,064.73
  6. Step 6: Final answer
    x = 263,469.31

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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.