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Finding the Fourth Proportional to 268,065, 401,979.38 and 125,950.68

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Solution

The fourth proportional to 268,065, 401,979.38 and 125,950.68 is: 188,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,065 : 401,979.38 = 125,950.68 : x
  2. Step 2: Convert to fraction form
    268,065/401,979.38 = 125,950.68/x
  3. Step 3: Cross multiply
    268,065x = 401,979.38 × 125,950.68
  4. Step 4: Simplify right side
    268,065x = 50,629,575,627.23
  5. Step 5: Solve for x
    x = 50,629,575,627.23/268,065
  6. Step 6: Final answer
    x = 188,870.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.