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Finding the Fourth Proportional to 269,929.60, 404,894.40 and 255,414.40

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Solution

The fourth proportional to 269,929.60, 404,894.40 and 255,414.40 is: 383,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,929.60 : 404,894.40 = 255,414.40 : x
  2. Step 2: Convert to fraction form
    269,929.60/404,894.40 = 255,414.40/x
  3. Step 3: Cross multiply
    269,929.60x = 404,894.40 × 255,414.40
  4. Step 4: Simplify right side
    269,929.60x = 103,415,860,239.36
  5. Step 5: Solve for x
    x = 103,415,860,239.36/269,929.60
  6. Step 6: Final answer
    x = 383,121.60

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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.