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Finding the Fourth Proportional to 279,241.41, 419,037.08 and 113,029.41

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Solution

The fourth proportional to 279,241.41, 419,037.08 and 113,029.41 is: 169,614.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,241.41 : 419,037.08 = 113,029.41 : x
  2. Step 2: Convert to fraction form
    279,241.41/419,037.08 = 113,029.41/x
  3. Step 3: Cross multiply
    279,241.41x = 419,037.08 × 113,029.41
  4. Step 4: Simplify right side
    279,241.41x = 47,363,513,355.38
  5. Step 5: Solve for x
    x = 47,363,513,355.38/279,241.41
  6. Step 6: Final answer
    x = 169,614.93

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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.