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Finding the Fourth Proportional to 269,794.32, 404,596.46 and 89,830.86

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Solution

The fourth proportional to 269,794.32, 404,596.46 and 89,830.86 is: 134,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,794.32 : 404,596.46 = 89,830.86 : x
  2. Step 2: Convert to fraction form
    269,794.32/404,596.46 = 89,830.86/x
  3. Step 3: Cross multiply
    269,794.32x = 404,596.46 × 89,830.86
  4. Step 4: Simplify right side
    269,794.32x = 36,345,247,954.76
  5. Step 5: Solve for x
    x = 36,345,247,954.76/269,794.32
  6. Step 6: Final answer
    x = 134,714.65

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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.