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Finding the Fourth Proportional to 299,660.32, 449,429.64 and 110,055.52

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Solution

The fourth proportional to 299,660.32, 449,429.64 and 110,055.52 is: 165,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,660.32 : 449,429.64 = 110,055.52 : x
  2. Step 2: Convert to fraction form
    299,660.32/449,429.64 = 110,055.52/x
  3. Step 3: Cross multiply
    299,660.32x = 449,429.64 × 110,055.52
  4. Step 4: Simplify right side
    299,660.32x = 49,462,212,733.61
  5. Step 5: Solve for x
    x = 49,462,212,733.61/299,660.32
  6. Step 6: Final answer
    x = 165,060.94

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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.