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Finding the Fourth Proportional to 268,073.51, 401,992.16 and 125,959.21

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Solution

The fourth proportional to 268,073.51, 401,992.16 and 125,959.21 is: 188,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,073.51 : 401,992.16 = 125,959.21 : x
  2. Step 2: Convert to fraction form
    268,073.51/401,992.16 = 125,959.21/x
  3. Step 3: Cross multiply
    268,073.51x = 401,992.16 × 125,959.21
  4. Step 4: Simplify right side
    268,073.51x = 50,634,614,209.71
  5. Step 5: Solve for x
    x = 50,634,614,209.71/268,073.51
  6. Step 6: Final answer
    x = 188,883.32

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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.