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Finding the Fourth Proportional to 299,898.16, 449,870.42 and 100,219.24

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Solution

The fourth proportional to 299,898.16, 449,870.42 and 100,219.24 is: 150,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,898.16 : 449,870.42 = 100,219.24 : x
  2. Step 2: Convert to fraction form
    299,898.16/449,870.42 = 100,219.24/x
  3. Step 3: Cross multiply
    299,898.16x = 449,870.42 × 100,219.24
  4. Step 4: Simplify right side
    299,898.16x = 45,085,671,590.88
  5. Step 5: Solve for x
    x = 45,085,671,590.88/299,898.16
  6. Step 6: Final answer
    x = 150,336.61

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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.