Home / 375,934.08-518,788.80-206,170.56

Finding the Fourth Proportional to 375,934.08, 518,788.80 and 206,170.56

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Solution

The fourth proportional to 375,934.08, 518,788.80 and 206,170.56 is: 284,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,934.08 : 518,788.80 = 206,170.56 : x
  2. Step 2: Convert to fraction form
    375,934.08/518,788.80 = 206,170.56/x
  3. Step 3: Cross multiply
    375,934.08x = 518,788.80 × 206,170.56
  4. Step 4: Simplify right side
    375,934.08x = 106,958,977,417.73
  5. Step 5: Solve for x
    x = 106,958,977,417.73/375,934.08
  6. Step 6: Final answer
    x = 284,515.25

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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.