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Finding the Fourth Proportional to 269,521.44, 404,369.64 and 129,291.04

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Solution

The fourth proportional to 269,521.44, 404,369.64 and 129,291.04 is: 193,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,521.44 : 404,369.64 = 129,291.04 : x
  2. Step 2: Convert to fraction form
    269,521.44/404,369.64 = 129,291.04/x
  3. Step 3: Cross multiply
    269,521.44x = 404,369.64 × 129,291.04
  4. Step 4: Simplify right side
    269,521.44x = 52,281,371,300.03
  5. Step 5: Solve for x
    x = 52,281,371,300.03/269,521.44
  6. Step 6: Final answer
    x = 193,978.52

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1.5x scale

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.