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Finding the Fourth Proportional to 268,067.04, 401,488.08 and 127,924.08

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Solution

The fourth proportional to 268,067.04, 401,488.08 and 127,924.08 is: 191,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,067.04 : 401,488.08 = 127,924.08 : x
  2. Step 2: Convert to fraction form
    268,067.04/401,488.08 = 127,924.08/x
  3. Step 3: Cross multiply
    268,067.04x = 401,488.08 × 127,924.08
  4. Step 4: Simplify right side
    268,067.04x = 51,359,993,264.97
  5. Step 5: Solve for x
    x = 51,359,993,264.97/268,067.04
  6. Step 6: Final answer
    x = 191,593.84

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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.