Home / 375,673.25-518,429.09-205,903.73

Finding the Fourth Proportional to 375,673.25, 518,429.09 and 205,903.73

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Solution

The fourth proportional to 375,673.25, 518,429.09 and 205,903.73 is: 284,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,673.25 : 518,429.09 = 205,903.73 : x
  2. Step 2: Convert to fraction form
    375,673.25/518,429.09 = 205,903.73/x
  3. Step 3: Cross multiply
    375,673.25x = 518,429.09 × 205,903.73
  4. Step 4: Simplify right side
    375,673.25x = 106,746,483,371.51
  5. Step 5: Solve for x
    x = 106,746,483,371.51/375,673.25
  6. Step 6: Final answer
    x = 284,147.15

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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.