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Finding the Fourth Proportional to 273,911.10, 377,866.44 and 171,885.84

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Solution

The fourth proportional to 273,911.10, 377,866.44 and 171,885.84 is: 237,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,911.10 : 377,866.44 = 171,885.84 : x
  2. Step 2: Convert to fraction form
    273,911.10/377,866.44 = 171,885.84/x
  3. Step 3: Cross multiply
    273,911.10x = 377,866.44 × 171,885.84
  4. Step 4: Simplify right side
    273,911.10x = 64,949,890,447.21
  5. Step 5: Solve for x
    x = 64,949,890,447.21/273,911.10
  6. Step 6: Final answer
    x = 237,120.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.