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Finding the Fourth Proportional to 251,649.71, 377,730.63 and 109,558.49

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Solution

The fourth proportional to 251,649.71, 377,730.63 and 109,558.49 is: 164,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,649.71 : 377,730.63 = 109,558.49 : x
  2. Step 2: Convert to fraction form
    251,649.71/377,730.63 = 109,558.49/x
  3. Step 3: Cross multiply
    251,649.71x = 377,730.63 × 109,558.49
  4. Step 4: Simplify right side
    251,649.71x = 41,383,597,449.55
  5. Step 5: Solve for x
    x = 41,383,597,449.55/251,649.71
  6. Step 6: Final answer
    x = 164,449.22

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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.